Lost Car Keys Replacement

All You Need to Know about Car Keys, Programming and more

Acura Key Fob Battery Replacement – How to Replace, Costs, Size, What to Do When the Battery is Dead and More.

Acura key fob battery replacement - Inside look
Acura key fob battery replacement – Inside look

 

Most Acura models made after 2010 use a key fob, or a push to start remote key technology. This type of key has advanced security features, as well as built-in keyless entry and more.

Prefer to watch a video how to replace the battery? Click here to see a list of Acura key fobs and choose yours.

 

Key fob batteries
Key fob batteries

This type of key fob is battery operated. Once in a while, there are some issues with the key fob because of this battery. We will go over some important information and a few tips about what to do when the battery is dead, how to change the battery, cost, and some technical information.

2021 Acura key fob battery
2021 Acura key fob battery

Most of Acura model’s key fobs use the same battery which is CR2032. This battery is very common and you can find it in most hardware stores, AutoZone, locksmith shop, and online. You can order it here.

Price of Acura key fob battery: Usually less than $6

We also recommend getting a cover for the key fob to keep it in better condition. Acura key fob cover cost about $10-$15 and definitely worth the price. You can order it online here

 

Before we get into some specific information, here is some useful information you must know:

First, if you are locked out of your car because the key fob battery is dead you can use the emergency key provided with the key to unlock the car door.

Acura key fob and emergency key used to unlock the doors when the battery is dead
Acura key fob and emergency key used to unlock the doors when the battery is dead
All Acura key fobs have an emergency key
All Acura key fobs have an emergency key

 

Acura key fob emergency key
Acura key fob emergency key

 

Remember to have your emergency key cut so you can unlock the doors in case the battery dies
Remember to have your emergency key cut so you can unlock the doors in case the battery dies

 

How to start Acura with a dead key fob?

Starting Acura with a dead key fob
Starting Acura with a dead key fob

You can start your Acura by pushing the “Start” button with your key fob. The car’s computer recognizes the chip inside the key fob and authorizes the process.

This way, you will be able to start your vehicle EVEN if the key fob battery is dead.

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Technical information for CR-2032 battery: (Click for more information from Panasonic)

Diameter (mm): 20

Height (mm): 3.2

Voltage (V): 3

 

Technical information for CR-2025 battery: (Click for more information from Panasonic)

Diameter (mm): 20

Height (mm): 2.5

Voltage (V): 3

 

Technical information for CR-1616 battery: (Click for more information from Panasonic)

Diameter (mm): 16

Height (mm): 1.6

Voltage (V): 3

 

Programming information:

No need to program your key fob after battery replacement
No need to program your key fob after battery replacement

After replacing the key fob battery, there is no need to do any special programming. The key fob should work as usual.

However, if you just bought a new key fob, you will need to have it programmed to start the car. This can be done by an automotive locksmith or a dealership. Click here for more information about key fob programming.

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Below, are Acura key fobs and transponder keys that are battery operated. For your convenience, we made a video of how to replace the battery.

 

Acura MDX key fob battery replacement (KR5BTP)

[embedyt] https://www.youtube.com/watch?v=WpQd7Puqnm0[/embedyt]

 

Acura ILX, MDX, RDX, RLX, TLX, TL, ZDX key fob battery replacement (e.g. M3N5WY8145)

[embedyt] https://www.youtube.com/watch?v=XNZyPVBKc-Y[/embedyt]

 

Acura RL key fob battery replacement (ACJ8D8E24A04):

[embedyt] https://www.youtube.com/watch?v=IhTOfSC0cWg[/embedyt]

 

Acura ILX, MDX, RDX, RLX, TLX, NSX key fob battery replacement (KR5V21):

[embedyt] https://www.youtube.com/watch?v=x2O7ulQST0M[/embedyt]

 

Acura ILX, MDX, RDX, RLX, TLX key fob battery replacement KR5V21

[embedyt] https://www.youtube.com/watch?v=LkNJ14tGWJA[/embedyt]

 

Acura transponder key battery replacement

[embedyt] https://www.youtube.com/watch?v=3f_p2ng1lbg[/embedyt]