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Toyota Highlander Key Fob Battery Replacement Guide
How to change the battery in the key fob remote control unit of a 2nd generation 2008-2013 Toyota Highlander SUV.

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2013 Highlander Key Fob
Remove Fob From Key Ring
Notch On Bottom Right
This automotive maintenance tutorial was specifically written to assist owners of the second generation (2008, 2009, 2010, 2011, 2012 & 2013) Toyota Highlander in changing the battery in the key fob remote control.

Owners of other Toyota or Scion vehicles such as the Tacoma, Corolla, Yaris, Prius, Camry, RAV4, Tundra, Sienna, FJ Cruiser, Venza, Avalon, 4Runner, Sequoia, xB, xD, tC, iQ and FR-S may also find these DIY instructions to be helpful.

A replacement "coin" cell (A.K.A. "button" or "watch") battery is part number CR2032 which is available from various manufacturers such as Panasonic, Sony, GE, Duracell, Energizer, and Maxell.

The only tool needed to change the battery is a small flathead screwdriver used to pry apart the two halves of the key fob.

Insert Flathead Screwdriver
Pry Apart Key Fob
Pull Out Remote Control
The first step is to separate the plastic key fob from the metal key ring.

Then locate the small notch at the bottom right edge of the fob near the key ring loop and the red "Panic" button.

Carefully insert the blade of a small flathead screwdriver in to the notch and gently pry apart the two halves of the key fob.

Pull off the top (or bottom) half of the key fob and remove the remote control unit.

Flip over the remote control unit so that the rubber buttons are facing down and the green circuit board is facing up towards you.

Gently Pry Out Old Battery
Old Battery Removed
Panasonic CR 2032 3V
Gently slide the old battery out of the socket with your fingernail or carefully use the small flathead screwdriver to pry it out.

If you use the screwdriver to pry out the old battery, try to avoid damaging the green electrical circuit board.


Push In New CR2032
New Battery Installed
Re-Insert Remote Control
Slide a new # CR2032 3 volt coin cell battery in to the holder with the "+" positive side facing up towards you.

Re-insert the remote control unit in to the front cover of the key fob with the rubber buttons fully inserted in place.

Line Up Fob Back Cover
Snap Together Two Halves
Test New Key Fob Battery
Line up the back cover of the key fob with the front half and gently snap them together.

Make sure that the two halves of the key fob are flush together all the way around.

Test the new key fob battery by standing near your SUV and pressing the "Lock" or "Unlock" buttons.

If the new battery is working properly, you should see the parking lights flash and hear the door locks opening or closing.

For more, check out my other Toyota Highlander DIY Repair Guides.

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