How to open Acura door if key fob doesn't work or battery is dead.

How to get inside and start Acura if battery is dead

Updated Wednesday Feb 14, 2018

If your Acura car battery has died or the key fob is not working you can't unlock the door or start the car. The problem is either your Acura key fob has a dead battery and cannot send a signal to your car. Or most likely the car battery is completely dead and can't respond to the remote. These instructions will help owners of Acura TL, CL, RL, TSX, RDS, ILX, TLX, RLX, MDX, ZDX learn how to get into the car if the battery is dead. These instructions will also help you learn how to jump-start any Acura.


Follow these steps to manually open the door of your Acura even if the key doesn't work. Next, follow the instruction to jump-start Acura that has the smart proximity keyfob.

Step 1

open acura door locked

Remove metal key blade from the key fob. Press on the black release tab, hold the release down and slide out the metal key. 

Step 2

manually unlock acura door to get inside

Insert the metal blade into the keyhole of the driver's door. 

Step 3

how to open acura door unock if car battery is dead

Turn the key to unlock the driver's door. Once the door is unlocked, remove the key and open the driver's door. Watch the following video on how to perform these steps. 

Step 4

start acura dash lights on

If your Acura doesn't start, the car battery may be dead. Manually turn on the lights. If your lights don't work your Acura you will need a jump start. If you are stranded away from home get roadside assistance to help you. If you are at home use a lithium jump starter to jump start your Acura.

jump start acura dead

Connect the red clamp on the red (positive or +) terminal and the black clamp on the black (negative or -) clamp of your battery. 

Step 5

jump start dead acura

After you connect the jumper cables, your Acura will turn on but it may not start when you press the START/STOP button. Take the key and physically press the START/STOP button with the keyfob. This will allow you to start the car. 

If the car doesn't start right away, allow the battery to charge for a few minutes then try again. Also, check the clamps on the battery terminal. If they aren't making good contact, the Acura will make a clicking noise when you try to start the engine.