2007 Smart Fortwo Key Fob Battery Replacement Instructions

2007 Smart Fortwo Key Fob Battery Replacement Instructions

Key fob allow easy access to your auto. If the keyless entry remote battery is weak you’ll not to be able unlock trunk or doors from distance. It's not difficult to change the battery in your key fob, and it’s easier than you think. Everything you need is explained below.

What type battery remote key fob use

Don't forget before open keyless entry remote check all that you need: 1xCR2016 battery and flat head screwdriver.
  • 1xCR2016 battery
  • flat head screwdriver

Simple steps to replace the battery in your Fortwo's keyless entry remote

A small button battery installed inside the your key fob. Move the key out of the way if it is in the remote key fob.

Carefully try to open your remote key fob with hands or flat head screwdriver. Remove one CR2016 battery with flat head screwdriver.

Change old battery with fresh one CR2016. Battery must be placed with the same polarity as was a previous. Your remote key fob will not work if you by mistake put battery wrong way.

After the new battery installed, verify keyless entry remote by pressing buttons. If everything is functioning, assemble your fob’s body in reverse order.

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

How to change the battery video instruction

Mercedes Smart Car 450 451 Key Fob Battery Replacement - EASY DIY

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Smart Fortwo use 1xCR2016 batteries. Price for CR2016 batteries are under $5 build upon the size packaging, brand and type you buy. Take your old battery to the store, to be sure.

Usually, after remote key fob battery replace, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can change battery in your 2007 Smart Fortwo key yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty easy with our guide.

Auto repair shop's pricing for change the battery in keyless entry remote is $50-600 depending on the brand.

Remote key fob batteries in modern cars should be changed once in four years, also this will vary based on usage and build quality. If your key fob shortened signal strength, you should replace batteries before it stop open doors and make trouble for you.

These signs will alert you that it's perhaps time to replace battery in your 2007 Smart Fortwo: key fob buttons not working, 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: KR55WK45144
  2. Models: 2005-2015 Smart Fortwo