How to replace battery on a Toyota car key


Q: How to Replace the battery on a Toyota 4Runner Key

A: To replace a battery, you will need;

  • Small flat screw driver or equivalent
  • Coin (Penny or dime)
  • Battery (It will tell you on the socket, e.g.: CR2016 for a 4Runner, also used CR2032 for other Toyota models)


Gently remove 2 plastic housing with using coin or small flat screw driver (see image below)

Toyota Car Key Battery Replacement

Toyota 4 Runner Key Battery CR2016

Auto Floridify Team 2 years 0 Answers 445 views Professional Badge 0

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