How to Replace the Battery in a 2010 Volvo S40 Key Fob
If your S40 key fob isn't working correct, the cell battery probably must to be replaced. It's not difficult to change the battery in your keyless entry remote with our ultimate instruction. All tools, that you need is outlined in this post.
What kind of battery keyless entry remote requireBefore beginning open key fob check all that you need: CR2032 battery and flat head screwdriver.
- 1xCR2032 battery
- flat head screwdriver
Simple steps to replace the battery in your S40's keyless entry remote
A button battery installed in the your remote key fob. Move the key out of the way if it is in the keyless entry remote.
Accurately try to pry apart your remote key fob with hands or flat head screwdriver. Change 1 CR2032 battery with flat head screwdriver.
Get new battery and install it inside fob’s body. 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 polarity on battery, by "+" mark.
Before assembling keyless entry fob's case, verify that all functions works by pressing buttons on key fob.
The last thing to do is put your cover back on fob. Gently try to put the pieces in place by hands from top to bottom. If your fob shell firmly closed, we done. If not, repeat the last step.
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