How to Replace the Battery in a 2004 Toyota Corolla Key Fob
Keyless entry remote allow easy access to your auto. If the key battery is discharged you not to be able open trunk or doors remotely. It's not difficult to change the battery in your key fob DIY. Everything you need is described in this post.
What is the battery keyless entry remote use
Don't forget before open keyless entry remote check all that you need: 1xCR2025 battery, phillips head screwdriver and flat head screwdriver.- phillips head screwdriver
- flat head screwdriver
- 1xCR2025 battery
Simple steps to replace the battery in your car's key fob
A tiny button cell battery installed in the your remote key fob. Remove fasteners on the back of the remote key fob. Flip the remote key fob over and find for at least 1 screw holding in the plastic.
Delicately try to open your fob with hands or flat head screwdriver. Replace 1 CR2025 battery with flat head screwdriver.
Change old battery with fresh one CR2025. Battery must be installed with the same polarity as was a previous. Your key will not work if you by mistake place battery wrong way.
After the new battery installed, verify keyless entry remote functionality by pressing buttons. If everything working properly, assemble your keyless entry fob's shell in reverse order.
At this point squeeze fob’s back cover together. Line your body pieces together and put it together by hands from top to bottom. If your key fob body tightly closed, we done. If not, repeat the last step. Screw fastener in the back of the remote key fob.
Video of key disassembly
How to â—Ź Toyota Key Fob Remote Keyless Battery Change/Replace
Still not working? Buy new one