How to Replace the Battery in a 2009 Volvo S40 Key Fob

How to Replace the Battery in a 2009 Volvo S40 Key Fob

Keyless entry remote allow easy access to your car. Once the key fob battery is weak or dead you lose your fob’s ability to use distance opening function. Below, you’ll benefit from knowing how to disassembly your remote key fob and change a dead or weak battery yourself. If you decide to do it at home near S40, follow our instruction, but don't forget to check tools and materials required before you start.

What size battery does 2009 Volvo S40 keyless entry remote required

Changing battery in remote key fob require flat head screwdriver and one CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

Inside of your remote key fob installed coin battery. Remove any internal key before you try to pry apart the remote key fob.

Gently try to pry apart your fob with flat head screwdriver. Remove 1xCR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. 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.

When the new battery installed, verify remote key fob by pressing buttons. If all functions works, assemble your fob’s body in reverse order.

The last thing to do is put your cover back on fob. Gently try to assemble the two halves in place by hands from top to bottom. If your key fob body firmly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2009 Volvo S40 Video

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

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Volvo S40 use 1xCR2032 batteries. Price for CR2032 batteries are under $5 depending on the size packaging, type and brand you buy. You can take old battery to the store, to be sure.

Remote key fob in most of cases do not require to be reprogrammed after battery replace. If your keyless entry remote 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 2009 Volvo S40 key fob yourself. Most hard part is to open fob’s case. It's pretty simple with our guide.

Auto repair shop's price for replace the battery in remote key fob is from $30 to as high as $500 depending on the car.

You should change batteries inside keyless entry remote of Volvo S40 at least every three or four years. The lifetime of battery vary on frequency of use, quality and operating conditions. Lithium cells normally will last longer.

These signs will warning you that it's possible time to replace battery in your Volvo S40: signal strength reduced, you didn't change battery more than 4 years, multiple clicks to unlock or lock doors required and low key battery indicator on dashboard.
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Fob Compatibility:

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