How to Open Your 1994 Toyota MR2 Key Fob and Change Battery

How to Open Your 1994 Toyota MR2 Key Fob and Change Battery

Keyless entry remote allow easy access to your MR2. Once the remote key fob battery is dead or weak you will lose your fob’s ability to use remote opportunities. Below, we outlined how to open your car key fob and change your Toyota key battery.

What kind of battery remote key fob use

Before starting disassembly keyless entry remote check all that you need: one CR2025 battery, phillips head screwdriver and flat head screwdriver.
  • phillips head screwdriver
  • 1xCR2025 battery
  • flat head screwdriver

Simple steps to change the battery in your car's remote key fob

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

Carefully try to open your remote key fob with pry tools. Replace CR2025 battery with flat head screwdriver.

Change old battery with fresh one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

After the new battery installed, check keyless entry remote by pressing buttons. If all functions works, assemble your keyless entry fob's shell in reverse order.

The last thing to do is put your cover back on fob. Gently try to put the two halves together by hands from top to bottom. If your fob case firmly closed, we done. If not, repeat the last step. Screw fastener in the back of the keyless entry remote.

Key Fob Battery Replacement 1994 Toyota MR2 Video

How To Replace Toyota MR2 Key Fob Battery 1991 1992 1993 1994

Still not working? Buy new one

Frequently Asked Questions

Key fob of Toyota MR2 use 1xCR2025 batteries. Price for CR2025 batteries are under $4 depending on the size packaging, brand and type you buy. Take your old battery to the store, to be sure.

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

Yes, you can replace battery in your 1994 Toyota MR2 keyless entry remote yourself. Most hard part is to disassembly fob’s case. It's pretty simple with our step by step guide.

Auto repair shop's pricing for change the battery in remote key fob is from 50 to 600 dollars depending on the car.

Remote key fob batteries in Toyota MR2 should be replaced once in four years, although this will vary based on frequency of use and quality. If your remote key fob reduced signal strength, you should change batteries before it stop open doors and make problems for you.

These symptoms will warn you that it's perhaps time to change battery in your 1994 Toyota MR2: key fob buttons not working, multiple clicks to unlock or lock doors required, you didn't change battery more than 4 years and low key battery indicator on dashboard.
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Fob Compatibility:

  1. FCC ID: BAB237131-022
  2. Models: 1991-1995 Toyota MR2