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Honda CR-V Key Fob Battery Replacement Guide
How to change the battery in the key fob remote control of a 3rd generation 2007-2011 Honda CR-V with pictures.

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2011 CR-V Key Fob
Back of Key Fob
Remove Phillips Screw
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2007, 2008, 2009, 2010 & 2011) Honda CR-V in changing the battery in the combination ignition key and keyless entry system fob remote control unit.

Owners of other Honda or Acura vehicles with similar key fobs such as the Pilot, Insight, CR-Z, Accord, Civic, Fit, Crosstour, Odyssey, Ridgeline, TSX, ILX, TLX, TL, RLX, RDX and MDX may also find these DIY instructions to be helpful.

A replacement "coin" cell (A.K.A. "button" or "watch") battery is part number CR1616, which is available from various manufacturers such as Panasonic, Sony, Maxell, GE, Energizer and Duracell.

The tools needed to change the battery include a small #0 Phillips head screwdriver and a small flathead screwdriver.

Phillips Screw Removed
Notch On Corner By Key
Pry Off Back Cover
The first steps are to turn over the key fob and locate the small Philips head screw at the top near the metal ignition key.

Carefully remove the screw by turning it counter clockwise with a small Phillips head screwdriver.

I recommend buying a jewelers screwdriver set.

Try to avoid stripping the screw by using a properly sized screwdriver that has a secure grip on the screw.

Set the screw aside in a safe place.

Then insert a small flathead screwdriver in to the notch on the corner of the fob near the metal ignition key and gently pry off the back cover.

Rear Cover Removed
Lift Out Remote Unit
Remote Control Removed
Pull the remote control unit out of the key fob case.
Pry Apart Two Halves
Battery Socket In Rear
Pry Out Old Battery
Gently pry apart the two halves of the remote control unit by inserting the small flathead screwdriver in to the notch on the top edge near the "Lock" button.

Pull the old battery out of the socket in the back cover of the remote control unit with your finger nail or carefully use the small flathead screwdriver.

Try to avoid damaging the metal electrical contacts with the screwdriver.

The OEM battery in the fob for this 2011 CR-V was a Panasonic CR1616 3 volt coin cell.


Old Battery Removed
Panasonic CR 1616 3V
Battery Holder "+" Down
The battery holder in the rear cover of the remote control unit is marked with a "+" sign to indicate how the battery should be orientated in the socket.
Insert New Battery
Positive Side Down
Line Up Two Halves
Insert a new CR1616 3 volt coin cell battery in to the socket with the "+" positive side facing down.

Make sure that the new battery is securely installed in the socket.

Line up the rear cover of the remote control unit with the front half containing the green circuit board.

Snap Together Remote Unit
Re-Insert Remote Control
Remote In Key Fob Case
Gently push together the two halves of the remote control unit.

Re-insert the remote control unit in to the front half of the key fob case.

Re-Insert Rear Cover Hook
Close Back Cover
Snap Together Key Fob
Re-insert the hook at the bottom of the back cover in to the slot by the fob's key ring loop.

Gently snap together the two halves of the key fob case until they flush together all the way around.

Tighten Phillips Head Screw
Key Fob Re-Assembled
Test New Key Fob Battery
An optional step is to apply a small amount of Loctite Blue medium strength threadlocker to the screw in order to keep it from vibrating loose and possibly becoming lost.

Re-insert the small Phillips head screw in to the back of the key fob and tighten it in the clockwise direction until it is snug.

Do not over tighten the screw to prevent from cracking the plastic key fob case or stripping the screw.

Test the new key fob battery by standing next to your CR-V and pressing the "Unlock" and/or "Lock" buttons.

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

Be sure to record the battery change in your vehicle's service records.

For more, check out my other Honda CR-V Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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