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How to disengage an electric parking brake?


Electric parking brakes (EPBs) are becoming increasingly common in modern vehicles, replacing traditional handbrakes with a more compact and automated system. While they offer convenience and safety, there may be situations where you need to manually disengage the electric parking brake, such as during maintenance or if the system malfunctions. In this guide, we’ll walk you through the steps to safely disengage an electric parking brake.


Understanding the Electric Parking Brake


An electric parking brake operates using an electronic control unit and actuators to engage and disengage the brake pads. Unlike traditional handbrakes, EPBs are activated with the push of a button. However, if the system fails or the vehicle loses power, you may need to manually override it.


Steps to Disengage an Electric Parking Brake


Follow these steps to safely disengage your electric parking brake:



  • Check the Owner’s Manual: Before attempting to disengage the EPB, consult your vehicle’s owner’s manual. Different manufacturers may have specific procedures or tools required for manual disengagement.

  • Ensure the Vehicle is Secure: Place wheel chocks around the tires to prevent the vehicle from rolling. This is especially important if the parking brake is being disengaged on an incline.

  • Locate the Manual Release Mechanism: Many vehicles with EPBs have a manual release mechanism. This is often located near the brake assembly or in the trunk. Look for a cable or lever that can be used to manually release the brake.

  • Use the Emergency Release Tool: Some vehicles come with a special tool for disengaging the EPB. Insert the tool into the designated slot and follow the instructions in the manual to release the brake.

  • Disconnect the Battery (if necessary): In some cases, disconnecting the vehicle’s battery may reset the EPB system, allowing it to disengage. Be cautious when handling the battery and ensure the vehicle is turned off.

  • Consult a Professional: If you’re unable to disengage the EPB or are unsure about the process, it’s best to contact a professional mechanic. Attempting to force the brake can cause damage to the system.


When to Seek Professional Help


While it’s possible to manually disengage an electric parking brake, certain situations may require professional assistance. For example:



  • If the EPB system is malfunctioning and won’t respond to manual release methods.

  • If you’re unsure about the location or operation of the manual release mechanism.

  • If the vehicle’s brake system warning light remains on after disengaging the EPB.


At Kevin’s Autos, we specialize in diagnosing and repairing brake systems, including electric parking brakes. If you’re experiencing issues with your EPB, don’t hesitate to reach out to our experienced team for assistance. We’re here to ensure your vehicle remains safe and reliable on the road.


Conclusion


Disengaging an electric parking brake can be straightforward if you follow the proper steps and precautions. Always prioritize safety and consult your vehicle’s manual for specific instructions. If in doubt, seek help from a trusted auto repair professional. At Kevin’s Autos, we’re always ready to help with all your car maintenance and repair needs!


Frequently Asked Questions

What to do if an electronic parking brake fails?


3 tips on what to do if the electric parking has a malfunction

  1. Clean and check the components. It is very important to ensure that the components of the electric parking brake are in good condition.
  2. Check voltage.
  3. Examine the cables.



How to stop a car with an electronic parking brake?


Take your foot off the accelerator pedal. move the gear lever to 'N. ' apply the electric parking brake, and hold the button in the ''apply” position, the car should then perform an emergency stop.



What to do if the parking brake won't disengage?


If it is safe to do so, you can try rocking the vehicle back and forth or manually getting under the vehicle to pull the cables. You can also try setting and releasing the brake multiple times in the hopes of knocking the brakes free. If all of these methods fail, a tow truck might be in your future.



How do you manually disengage the electric parking brake?


Procedure

  1. Step 1 – Raise Vehicle. Completing this procedure requires getting under the back of the vehicle to gain access to the rear brake caliper.
  2. Step 2 – Locate Rear Brake Caliper.
  3. Step 3 – Remove Bolts.
  4. Step 4 – Remove Parking Brake Motor.
  5. Step 5 – Release Brake Caliper.
  6. Step 6 – Lower Vehicle.
  7. Step 7 – Reverse Procedure.



Why is my parking brake not disengaging?


A stuck parking brake can be the result of brake pads, calipers, drum, or lines not releasing when they should. As a result, there's no simple, elegant DIY fix for a stuck parking brake. Our first suggestion is to apply and release the brakes numerous times in an effort jostle whatever is stuck loose.



What happens if you drive with electronic parking brake on?


Although its original incarnation served as the service brake's backup, the modern parking brake only stops a parked vehicle. Using it outside of its intended purpose will wear out its components faster or even damage them, necessitating their repair or replacement. Brake pads are vulnerable to premature wear and tear.



What would cause electric brakes to not release?


Common causes of this condition are; poor electrical connections, open circuits, insufficient wire size, broken wires, blown fuses (fusing of brakes is not recommended), improperly functioning controllers or resistors.



What to do if electronic parking brake fails?


3 tips on what to do if the electric parking has a malfunction

  1. Clean and check the components. It is very important to ensure that the components of the electric parking brake are in good condition.
  2. Check voltage.
  3. Examine the cables.



How to unlock an electronic parking brake?


With the AUTO switch OFF, the EPB can be applied by pushing and holding the parking brake switch. This will work with the ignition switch ON or OFF and with the vehicle moving or stationary. To release the brake, pull and hold the manual switch while at the same time pressing the brake pedal.



Why won't my electric parking brake release?


It could be that dust or crumbs are stuck in the area behind the button or the switch itself is somehow damaged. This is the most common reason for an electric parking brake to not work correctly.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.