How to Replace the Battery in a 2012 Smart Fortwo Key Fob

How to Replace the Battery in a 2012 Smart Fortwo Key Fob

If your auto key fob is not open doors well, the cell battery more likely needs to be replaced. In this case, you will benefit from knowing how to disassembly your car key fob and replace a dead battery yourself. If you choose to do it at home near Fortwo, follow our instruction, but don't forget to check everything you need.

What size battery does 2012 Smart Fortwo key fob required

Before beginning disassembly key fob check all that you need: flat head screwdriver and 1xCR2016 battery.
  • flat head screwdriver
  • 1xCR2016 battery

Simple steps to change the battery in your car's keyless entry remote

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

Accurately try to pry apart your remote key fob with flat head screwdriver. Remove one CR2016 battery with flat head screwdriver.

Get new battery and install it in fob’s shell. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you place battery wrong way.

When the new battery installed, verify key fob functionality by pressing buttons. If everything working good, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Delicately try to assemble the two halves in place by hands from top to bottom. If your key fob shell tightly 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

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

Often, after key fob battery replace, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2012 Smart Fortwo key fob yourself. Most hard part is to open fob’s case. It's pretty easy with our step by step guide.

Dealer service pricing for replace the battery in keyless entry remote is from 50 to 600 dollars depending on the car.

You should change batteries inside key fob of Smart Fortwo at least every three years. The lifetime of battery vary on frequency of use, operating conditions and quality. Famous brands cells usually will last longer.

If your auto has low key battery indicator on dashboard, key fob buttons not working, need multiple clicks to unlock or lock doors or signal strength reduced, in most cases battery replace inside remote key fob required. Installed battery is discharged with a high probability, but if it's not fix, fob replace or repair required.
Be the first to comment.
Your message is required.

Fob Compatibility:

  1. FCC ID: KR55WK45144
  2. Models: 2005-2015 Smart Fortwo