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Honda Fit (Jazz) Key Fob Battery Replacement Guide
How to replace the coin cell battery in the combination car key and keyless entry remote control of a Honda Fit/Jazz.

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Honda Fit/Jazz Car Key
Rear Of Remote Control
Remove Single Screw
This automotive "how-to" guide was specifically written to assist owners of the 2nd generation (2009, 2010, 2011, 2012, 2013 & 2014) Honda Fit (or "Jazz" outside the USA) in replacing the coin or "button" cell battery inside the combo car key and keyless entry system remote control.

Owners of other Honda or Acura vehicles such as the Accord, Crosstour, CR-V, CR-Z, Element, Civic, Insight, Odyssey, Pilot, Ridgeline, RL, TL. TSX, ZDX, MDX, and RDX may also find these instructions to be helpful.

The original battery in a Honda Fit key fob remote control is a Panasonic CR1616 3V coin cell type battery.

Replacements can be purchased at or retailers such as CVS, Walgreens, or Wal-Mart.

I usually purchase coin batteries on Amazon where a 5 pack can be bought for just a few bucks with free shipping.

The only tools needed to open the remote control and replace the battery is a small # 0 Phillips head screwdriver from a jewelers screwdriver kit.

A small flathead screwdriver can also be helpful for prying open the pieces.

Tiny Phillips Head Screw
Pry Open Rear Cover
Rear Cover Removed
The first step is to locate and remove the tiny Phillips head screw on the rear cover of the remote control located near the metal ignition key blade.

Then use a small flathead screwdriver to pry off the rear cover of the key fob.

Below the rear cover you'll find the rectangular remote control unit.

Remove it by tapping it out or pushing it out of the case using the remote's buttons on the other side.

Remove Remote Unit
Pry Apart Halves
Remote Control Opened
Once you have the remote control unit removed, locate the small indentation located to the left of the red panic button and the LED indicator light.

Use a small flathead screwdriver to carefully pry apart the two halves of the remote control.

Pry Out Coin Cell Battery
"+" Side Down
Panasonic CR1616 3V
On the back cover of the remote control unit you'll see the coin cell battery with the "-" side facing up towards you.

Use the flathead screwdriver to gently pop the battery out.


Push In New Battery
Orientate Two Halves
Snap Halves Together
Replace the old battery with a new CR1616 3 Volt cell by pushing it in with the "+" side facing down into the rear cover of the remote control unit.

Then orientate the two halves as shown above and snap them back together.

Test the new battery by pushing on the buttons to see if the red LED light illuminates brightly.

Hit Button - Test New Battery
Insert Remote Control Unit
Remote In Car Key Case
Next insert the remote control unit down into the front cover with the buttons aligned with the corresponding holes in the key fob case.

Make sure that the remote control unit is seated well before snapping the rear key fob cover back into place.

Replace Rear Key Cover
Tighten Phillips Screw
Test Key Fob Remote
Use the small Phillips head screwdriver to tighten the single screw located on the rear of the key fob close to the metal blade of the car's ignition key.

Test the new battery again by pressing the buttons and verifying that the various functions work properly while standing near your Honda Fit or Jazz.

For more, please check out my Honda Fit Maintenance & Repair Guides page.

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