An EV driver in Punggol finishes charging, but the connector remains locked to the car. The charging app may say the session has ended, the charging station may show ‘complete’, or the vehicle may indicate that it is still connected. These are not all the same problem. First make sure the session has been stopped through the authorised charging operator’s process, then follow the car manufacturer’s ordinary unlock instructions. Never yank the cable, dismantle the charge port or press the red emergency-stop button just to release a connector.

Singapore’s Land Transport Authority (LTA) expressly warns that emergency-stop buttons and isolator switches at EV charging stations are for genuine emergencies such as fires or flash floods—not routine end-of-charge difficulties. The charging operator and car maker may use different locking controls, so a stubborn connector can involve the vehicle, charger, app or account state. The correct response is to keep the area safe and contact the charge point operator if ordinary steps fail.

This guide is for Punggol drivers using EV chargers at HDB car parks, shopping facilities or private developments. It explains the difference between a charging session that is still active, a vehicle-side lock and a genuine safety hazard. It also covers useful information to record, fees to check and the correct support channels. It is not a mechanical repair instruction, a diagnosis of a particular charger or a promise that any charging point is currently available.

The immediate response: seven safe steps

1. Check for visible smoke, sparks, unusual heat, flooding, exposed wiring or other danger. If there is an immediate hazard, move away and call the appropriate emergency service, including 995 for fire and rescue.
2. If no emergency is apparent, confirm whether the charging session has been ended through the operator’s app, QR or payment-terminal process.
3. Use the vehicle’s normal locking and unlocking controls as explained in its handbook. Some cars require the vehicle to be unlocked before the plug is released.
4. Avoid pulling, twisting, striking or applying tools to the charging connector, cable or vehicle port.
5. If the connection remains locked, stop improvising and call the charging operator using its verified contact shown on the charger or official app.
6. Record the operator, charger identifier, Punggol location, time, displayed error and whether the vehicle and app report the session as stopped.
7. After resolving the connection, check the bill and parking arrangements separately. An app error, connector fault and parking charge may involve different issues.

1. Why a charging cable can remain locked

EV connectors are designed to make a secure electrical connection during charging. Depending on the vehicle and charging system, the car may retain a lock on the connector while energy is being delivered or while the system has not completed its end sequence. The charger may also have session controls that must be completed first. A locked plug is not automatically evidence of damage or tampering.

A driver might stop the session on an app while the vehicle has not yet released its port lock. Another driver may unlock the car but find that the operator’s transaction is still active. A third may have an app communication failure. These differences determine which official instructions apply.

The SimplyGo EV Charging FAQ specifically advises ending a session in the app and unlocking the car when a cable remains stuck. It also refers owners to the vehicle manual for model-specific emergency release information. That is a reminder that the vehicle design matters; it is not permission to perform an unfamiliar mechanical release from an internet diagram.

2. Stop charging before trying to disconnect

Check the actual charger screen and the app’s status. The operator may label a session as active, stopping, completed or interrupted. Do not assume a charging battery percentage of 100% means the transaction has ended. The vehicle’s state of charge and the payment or charger session are separate pieces of information.

LTA’s Electric Vehicle Guide for Drivers explains that an EV charging session may be stopped through the EV charging operator’s app, QR process or payment terminal as applicable. Follow the actual operator’s supported procedure; not every public station has every option.

For example, SP Mobility’s official charging guide describes ending a session in its app before removing the charging arm. A driver using a different network should not assume the SP app controls that other network’s station.

3. Vehicle lock versus charger lock

The car remains locked

Some EVs secure the connector when the vehicle doors are locked. An ordinary vehicle unlock may be necessary before the cable can release. Check the manufacturer’s manual because a single-press and repeated-press unlock procedure can differ by brand, model or software version.

The app still shows an active charging session

If the operator’s system has not acknowledged a stop request, the correct next step may be its customer-support route. Do not attempt a physical release while the system appears to be energised or in an unclear state. Allow authorised support to diagnose the session.

The session has ended but the connector is still trapped

This may require the vehicle maker’s specific release instructions or operator assistance. Union Energy’s charging FAQ describes a normal stop procedure, unlocking the car and then consulting the car’s official manual for any model-specific release method. If ordinary procedures fail, contact support.

The connector looks damaged or the port is unusually hot

Stop handling the equipment and keep people away if there is a possible electrical or thermal hazard. Do not spray water, apply lubricant or attempt to free a distorted connector. Contact the operator and emergency services as the risk requires.

4. Why the red emergency stop is not the solution

The red emergency-stop or ‘e-stop’ button is intended to interrupt equipment in a genuine emergency. It is not a convenient end-session control. LTA’s EV driver guide explicitly states that non-emergency activation can cause chargers to go offline, inconvenience other users and may constitute an offence under the EV Charging Act.

The same LTA guidance warns against turning off isolator switches. A driver who cannot unplug a cable should not hunt for a switch behind the station or open an electrical cabinet. Those controls may affect more than the one vehicle and may create operational problems for the whole installation.

CDG ENGIE’s operator FAQ explicitly says not to use e-stop simply because charging has finished but a connector cannot be unplugged. It instructs customers to contact its support instead. Genuine emergencies, such as fire or flash flooding, require the relevant emergency response.

5. What if the driver uses a car-sharing EV?

The charging and vehicle accounts may be controlled by a car-sharing company rather than a personal vehicle owner. Check the car-sharing provider’s official in-app support instructions before making changes to charging, vehicle settings or equipment. Do not assume you can use an owner-level manual release procedure on a rented or shared vehicle without permission.

If a connector is stuck, report it promptly through the car-sharing service and the charge point operator as appropriate. The car-sharing provider may need the booking and car identifier, while the charger operator needs the station and charging session reference. These two organisations may need to coordinate.

For safety, do not drive away while a cable remains connected. Do not attempt to move the vehicle even a short distance to ‘check whether the plug releases’. The equipment should remain stationary until the authorised release is complete.

6. How to identify the charging operator

The charging site may carry branding from SP Mobility, CDG ENGIE, Union Charge or another licensed charging operator. A car park owner and a charge point operator can be different organisations. The car park might manage parking access while the charge point operator manages the charging equipment and transaction.

Read the label or app details for the exact charger identifier and connector. Some stations have several connectors, each with its own status, so ‘the charger near the lift’ may not be enough for remote support. If the station is in a large Punggol multi-storey car park, note the deck and bay number.

Use only a verified app, official help page or support contact on trustworthy charger signage. Be cautious of replacement QR stickers or messages claiming that a connector will release only after entering a banking OTP or installing remote-access software.

7. A useful support report

• The exact Punggol development, block, car park level and parking bay.
• Name of the charging operator and charger or station ID.
• Vehicle make and model, if relevant to the locking mechanism.
• Connector type and which port is involved, if easily known.
• Whether the charging session is shown as active, stopped or in an error state.
• When the end command was attempted and what the app or screen displayed.
• Whether normal vehicle unlocking was attempted under the manufacturer’s instructions.
• Any visible damage, water, smoke or other safety issue observed from a safe position.
• The support reference number and instructions given by the operator.

Do not include credit-card details, personal account passwords, private car location history or a full VIN in a public review. Share the information necessary for diagnosis through the operator’s secure support channel.

8. SP Mobility: a concrete operator example

SP Mobility’s support page lists its support line as +65 6916 7799 and email emobility@spgroup.com.sg. Its published charging instructions describe ending the session in the app and then removing the connector in line with the vehicle manual.

If an SP-operated charger shows a fault, report the charger ID, location, charging-session status and any displayed error. Do not assume SP can directly operate a charger owned by another company. Support teams may use technical logs to see whether the command reached the charging point.

For a real emergency involving a charging installation, SP Mobility’s emergency FAQ tells drivers to call 995 and inform the premises owner. The emergency contact process is separate from an ordinary cable-release request.

9. CDG ENGIE and other operators

CDG ENGIE publishes a help article about its emergency-stop button. It states that drivers should not press e-stop when a session appears active after charging or when a completed-session connector cannot be removed. Its published support line is +65 6881 8383.

Union Charge provides a troubleshooting FAQ for a plug stuck in the car. It directs users first to the app’s stop process and the vehicle’s normal lock/unlock function, then its support channel if the issue continues.

These operator examples explain the category of response, but contact details, app screens and service policies can change. Always verify the latest information for the exact charger in use, not a support number copied from an old article.

10. A manual emergency release is model-specific

Some EVs have a manual release mechanism for a charging connector. Its location and operation differ by model, and accessing it incorrectly may damage trim, electrical equipment or the cable. The appropriate source is the vehicle’s official manual or authorised roadside assistance, not a generic online diagram.

If the manufacturer instructs you to use a release mechanism, follow all prerequisites and precautions it specifies, including the charging state and whether the equipment is safe. Drivers who cannot clearly identify the correct procedure should stop and seek qualified support.

This guide deliberately does not provide a universal pull-cord location. Incorrect physical instructions could be unsafe and would not apply across the different EVs on Singapore roads.

11. Why a cable fault is not a parking entitlement

An EV charging bay serves both parking and charging functions under the applicable facility rules. A technical fault can delay departure, but it does not automatically cancel parking charges, overstay rules or operator fees. The car park owner may need to know that a vehicle cannot leave the bay safely.

If a connector remains stuck, inform both the charger operator and the car park management where appropriate. Ask them to log the incident, explain the safe next step and provide a case reference. Keep a record if you later dispute fees linked to the immobilisation.

Do not attempt to free a stuck vehicle by reversing, switching bays while connected or leaving the cable across another parking lane. The safety issue must be resolved before normal movement resumes.

12. What if the app continues billing?

A billing timer or app status may not update immediately after a stop request. Review the session details and receipt through the official app. A delayed display does not prove that additional energy was delivered, and a final bill may contain separate components depending on the operator’s pricing model.

Record when the stop command was made, the response, when the connector was released and any helpdesk instructions. Ask the operator to examine its session log and provide an itemised explanation of disputed charging or idle fees.

Do not make multiple new payment transactions, create a second account or share bank credentials to persuade the system to release the cable. The operator’s authorised support should handle an unresolved transaction.

13. A Punggol HDB car park example

A driver charges at an HDB car park and finds the connector will not detach after the indicated completion. The driver confirms the operator’s stop process and tries only the car’s standard unlocking method. When the connector remains held, the driver notes the station ID and car park level and contacts the correct charging operator.

The driver does not press the emergency stop, force the handle or try to move the car. If the operator’s response requires a technician, the driver coordinates safe access with the site manager as instructed. The case record can support any later fee investigation.

14. A second example: rain enters the charging bay

Another driver notices water pooling around charging equipment while a connector is stuck. Ordinary rainfall and a hazardous electrical situation are not automatically the same; the actual risk depends on equipment design, condition and water exposure.

If there is significant flooding, damaged equipment, sparks or a possible immediate danger, the driver should move to safety, keep others away and use emergency services and the operator’s emergency contact. Do not wade through pooled water to reach the isolator or connector.

The distinction matters: the routine app troubleshooting steps are only suitable when the equipment and surroundings are not showing signs of danger.

15. What families should teach a new EV driver

• Learn the difference between the vehicle’s charge-port lock and the operator’s session state.
• Know how the car is normally unlocked before charging at a public site.
• Keep the operator’s verified app and support contacts accessible.
• Know the location of the vehicle handbook and its charging safety instructions.
• Never press an e-stop for ordinary convenience or a billing dispute.
• Do not touch damaged electrical equipment or charging connectors showing obvious defects.
• Check the final receipt and leave the charging bay promptly once everything is safely disconnected.
• Keep charging cables off paths and store them neatly according to the station’s instructions.

16. Common mistakes to avoid

• Pulling the connector with excessive force when the lock has not released.
• Pressing the emergency stop or turning off isolators for a routine unplugging issue.
• Assuming a full battery automatically means the operator’s session is over.
• Using the physical release method from a different car model.
• Following an unverified QR code to enter account or bank details.
• Moving a vehicle while it remains connected.
• Calling only the car park owner when the issue is clearly the charging operator’s equipment.
• Ignoring a possible electrical hazard because the app displays a normal status.
• Assuming a stuck cable automatically waives all parking and idle fees.

Frequently asked questions

Why is my EV connector locked after charging?

The vehicle’s port lock may still be engaged, the charging session may not be fully ended or the equipment may have a fault. Follow the operator’s stop process and your car’s normal unlocking instructions before contacting support.

Can I press the red emergency-stop button to release it?

No, not for an ordinary stuck cable. LTA says e-stop and isolator controls are for emergencies and that misuse can take chargers offline. Contact the operator if ordinary steps fail.

Can I pull the connector harder?

Do not force it. You may damage the vehicle port, cable or charger. Seek the operator’s or car maker’s advice.

Where do I find the manual release?

It varies by vehicle. Consult your car’s official handbook or authorised assistance, and only perform any permitted step under the specified safe conditions.

What if charging has stopped but the app still shows active?

Record the session and charger ID, then contact the operator. Do not reset equipment or attempt a new payment to force a change.

Who pays if a technical problem causes extra parking time?

That depends on the applicable car park and charging operator rules and the documented facts. Keep a case reference and seek an itemised review.

Official sources and related Punggol reading

• LTA — Electric Vehicle Guide for Drivers, Ending a Charging Session
• SimplyGo — Charging Cable Stuck FAQ
• SP Mobility — Charging and Ending a Session
• SP Mobility — Support and Contact
• CDG ENGIE — E-Stop Safety Rules
• Union Charge — Plug Release Help
• eduKate Punggol — Local Information Guide

Reviewed 6 November 2026. Operator processes and vehicle instructions can differ. This is a general safety guide, not a repair instruction or evidence about a specific Punggol charger. In a fire or immediate danger, call 995 and follow emergency responders.