How to Open Your 1994 Volvo 850 Key Fob & Change Battery

How to Open Your 1994 Volvo 850 Key Fob & Change Battery

If your auto keyless entry remote is not unlock doors well, the battery more likely needs to be replaced. Yes, it is possible to replace the battery in your key fob DIY. All you need is described in this post.

What kind of battery key fob require

Before you start to open keyless entry remote check all that you need: phillips head screwdriver, flat head screwdriver and CR2025 battery.
  • 1xCR2025 battery
  • flat head screwdriver
  • phillips head screwdriver

Simple steps to replace the battery in your 850's key fob

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

Delicately try to pry apart your key with flat head screwdriver. Change CR2025 battery with flat head screwdriver.

Replace 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.

Before assembling fob’s case, make sure that everything is functioning by pressing buttons on keyless entry remote.

The last thing to do is put your cover back on fob. Carefully try to assemble the pieces together by hands from top to bottom. If your fob body tightly closed, we done. If not, repeat the last step. Screw fastener in the back of the keyless entry remote.

How to change the battery video guide

How To Replace Volvo 850 Key Fob Battery 1994 1995 1996 1997

Still not working? Buy new one


Key fob of Volvo 850 use 1xCR2025 batteries. Price for CR2025 batteries are under $5 build upon the size packaging, type and brand you buy. You can take old battery to the store, with you to find a proper replacement.

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

Yes, you can change battery in your 1994 Volvo 850 remote key fob yourself. Most difficult part is to open keyless entry fob's case. It's pretty easy with our guide.

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

Keyless entry remote batteries in Volvo 850 should be changed every four years, although this will vary based on frequency of use and quality. If your remote key fob decreased signal strength, you should change batteries before it stop working and make trouble for you.

These signs will warning you that it's possible time to replace battery in your Volvo 850: signal strength reduced, key fob buttons not working, low key battery indicator on dashboard and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  2. Models: 1993-1996 Volvo 850