How to Replace the Battery in a 1991 Toyota Supra Key Fob

How to Replace the Battery in a 1991 Toyota Supra Key Fob

Keyless entry remote allow easy access to your car. Once the keyless entry remote battery is dead or weak you not to be able close car from distance. In this post, we outlined how to open your key fob and change your Toyota key battery.

What size battery does 1991 Toyota Supra keyless entry remote required

Before starting open remote key fob check all that you need: phillips head screwdriver, flat head screwdriver and 1 CR2025 battery.
  • flat head screwdriver
  • 1xCR2025 battery
  • phillips head screwdriver

Step by step guide

Inside of your keyless entry remote installed coin cell battery. Remove fasteners on the back of the keyless entry remote. Spin the keyless entry remote over and look for at least 1 screw holding in the plastic.

Delicately try to open your key with hands or flat head screwdriver. Remove 1 CR2025 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's shell. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you connect battery wrong way.

After the new battery installed, check key fob functionality by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Accurately try to put the pieces in place by hands from top to bottom. Inspect your key case for gaps. If it is not firmly closed try to repeat last step. Screw the back of the key fob.

Key Fob Battery Replacement 1991 Toyota Supra Video

How To Replace Toyota Supra Key Fob Battery 1991 1992 1993 1994

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Toyota Supra use 1xCR2025 batteries. Price for CR2025 batteries are under $6 depending on the size packaging, brand and type you buy. You can take old battery to the store, to be sure.

Keyless entry remote in most of cases reprogramming not needed after battery replace. If your key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 1991 Toyota Supra keyless entry remote yourself. Most difficult part is to disassembly fob’s case. It's pretty easy with our instruction.

The cost to change the battery in key fob is from $30 to as high as $500 depending on the brand and the service station.

You should change batteries inside key fob of Toyota Supra at least once in three or four years. The term of battery differ on frequency of use, operating conditions and quality.

These symptoms will warning you that it's perhaps time to replace battery in your 1991 Toyota Supra: multiple clicks to unlock or lock doors required, key fob buttons not working, low key battery indicator on dashboard and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: BAB237131-022
  2. Models: 1991-1997 Toyota Supra