How to Replace the Battery in a 2007 Volvo S40 Key Fob

How to Replace the Battery in a 2007 Volvo S40 Key Fob

Keyless entry remote grant access to your auto. Once the key battery is weak you lose your fob’s ability to control distance opportunities. In this article, you’ll benefit from knowing how to open your key fob and replace a discharged battery DIY. If you choose to do it at home near S40, use this guide, but first make sure you have all you need.

What size battery does 2007 Volvo S40 keyless entry remote required

Before you start to disassembly remote key fob check all that you need: flat head screwdriver and CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

A button cell battery installed in the your remote key fob. Gently try to disassemble your key fob with hands or flat head screwdriver. Remove one CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

After the new battery installed, verify key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your case pieces together and assemble it in place by hands from top to bottom. If your remote key fob body tightly closed, we done. If not, repeat the last step.

Video of remote key fob disassembly

DIY Replace Volvo S40 C30 V50 Key Fob Battery on your Keyfob Transponder 2004-2012 CR2032

Still not working? Buy new one


Remote key fob of Volvo S40 require 1xCR2032 batteries. Price for CR2032 batteries are under $6 depending on the brand, type and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Key fob in most of cases do not need to be reprogrammed 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.

Replacing your keyless entry remote battery is simple to do in 2007 Volvo S40. Most of car manufacturers think of the clients and make a special hole for remote key fob open.

The price to change the battery inside key is in range $50-600 depending on the make and the service station.

Keyless entry remote batteries in Volvo S40 should be changed every four years, also this will vary based on usage and build quality. If your key fob shortened signal strength, you should change batteries before it stop open doors and make problems for you.

If your auto need multiple clicks to unlock or lock doors, key fob buttons not working, signal strength reduced or has low key battery indicator on dashboard, in most cases battery replace inside key fob required. Currently installed battery is dead with a high probability, but if it's not fix, key fob replace or repair required.
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Fob Compatibility:

  1. FCC ID: LTQV0315TX
  2. Models: 2004-2012 Volvo S40