Manually Unlock Lexus: Dead Battery
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Do you need to unlock your Lexus because your key fob battery is dead? Learn how to unlock your Lexus by following the procedures below.
At a Glance
- Slide out the emergency key from the fob.
- Pry off the small cover under the driver’s door handle to reach the hidden keyhole.
- Unlock with the key; the alarm may sound until the car is started.
- To start with a dead fob: brake on, touch the START button with the Lexus emblem side of the fob.
- Replace the fob battery afterwards (usually a CR2032 or CR1632).
Procedure
Follow these steps to unlock a Lexus door manually.
- Push the key release on your key fob to remove the Lexus emergency key from the key fob.
- Under the driver’s door handle, you should see a hole.
- Use the emergency key to remove the cover to access the keyhole in the driver’s door.
- Put your key into the keyhole and turn like you would a door.
- Pull the door handle and open the door.
- To start the engine with a dead fob battery, press the brake pedal and touch the START button with the Lexus emblem side of the key fob. The button reads the fob’s chip even when its battery is flat. This does not work if the car’s own battery is dead.
These instructions will help you unlock the driver’s side door. This procedure can be used when the car battery is dead and you can’t unlock the car with the key fob, or if the batteries in the keyfob are dead.
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Why Lexus Door Won’t Unlock
Lexus doors may not unlock for one of the following reasons:
- Dead car battery
- Dead batteries in the keyfob
- Faulty door lock actuator
- Typically, it affects just one door.
How do I get into my Lexus when the battery dies
To unlock a Lexus with a dead battery, you can use the emergency metal key inside the keyfob to unlock the driver’s doors. The instructions in this guide show you how to unlock a Lexus with a dead battery manually.
Frequently Asked Questions
How do I unlock my Lexus if the key fob is dead?
Slide out the metal emergency key from the fob, pry off the small cap on the driver’s door handle to reveal the keyhole, and turn the key to unlock.
How do I start my Lexus with a dead key fob?
Press the brake and touch the START button with the Lexus emblem side of the fob. The car reads the fob’s chip even with a dead battery.
Why does the alarm go off when I unlock with the key?
Unlocking with the metal key can set off the alarm on some models. Starting the car with the fob turns it off.
Check these troubleshooting and repair guides for more help on your Lexus.
