To replace the key fob battery in a Toyota RAV4, slide the release and remove the mechanical key, pry the fob case open at the seam with a small flat tool, swap the coin battery for a new one of the same type with the same side facing up, close the case and test the buttons. Many RAV4 fobs use a CR2032, but check the number on your battery or in the owner’s manual.
Why Replace the Key Fob Battery in a Toyota RAV4
- The range of the fob drops.
- The buttons respond slowly or only sometimes.
- A key battery warning appears.
- The doors do not unlock reliably.
Tools for a Successful Battery Change
- A new coin battery of the right type
- A small flat screwdriver or a plastic trim tool
- A cloth to protect the case
Step-by-Step Guide to Accessing the RAV4 Key Fob
- Slide the release and remove the mechanical key.
- Find the slot or seam in the case.
- Pry the halves apart gently.
- Note how the old battery sits.
Slide Key Fob Cover
Slide the cover or release switch as shown in the manual for your fob.
Remove Mechanical Key
Pull out the mechanical key; it often reveals the slot used to open the case.
Pry Open Fob
Twist the tool gently in the slot and work around the seam rather than forcing one point.
Safely Removing the Old Key Fob Battery
Lift out the battery with a plastic tool and avoid touching the circuit board.
How to Easily Install Your New 2032 Battery
Fit the new battery with the same side up as the old one (usually the positive side up). Check the number on your old battery, since it varies by fob.
Testing Your RAV4 Key Fob After Battery Installation
Close the case, press the lock and unlock buttons near the car and check the response. If nothing happens, recheck the battery direction.
How to Properly Dispose of Your RAV4 Key Fob Battery?
Take old coin batteries to a recycling point and keep them away from children and pets, since swallowed coin cells can cause serious injury.
Related reading:
- How To Replace Battery In Toyota RAV4 Key Fob
- How to Change the Battery in a Toyota RAV4 Key Fob
- How To Start Toyota RAV4 With Dead Key Fob Battery
Frequently Asked Questions
How Do You Change the Battery in Your Toyota RAV4 Key Fob?
Remove the mechanical key, open the case, swap the battery with the same orientation, close the case and test.
Can I Replace My Toyota Key Battery Myself?
Yes, in most cases. It takes a small tool and a few minutes.
How to Open a 2018 RAV4 Key Fob?
Remove the mechanical key and use the slot to pry the case open. Check the manual for the exact method for your fob.
What Battery Does a 2013 Toyota RAV4 Key Fob Take?
Many take a CR2032, but check the old battery or the manual for yours.
Conclusion
Use the same battery type, open the fob carefully and test it afterwards.
