How to Replace the Battery in a 2012 Lexus CT 200h Key Fob
If your CT 200h key fob is not open doors correct, the battery surely needs to be replaced. In this case, you will benefit from knowing how to open your keyless entry remote and replace a discharged battery yourself. If you decide to do it at home near CT 200h, use this instruction, but don't forget to check tools and materials required before you start.
What type battery remote key fob requirePrior to open remote key fob be sure that you have all required tools and materials: flat head screwdriver and 1 CR1632 battery.
- flat head screwdriver
- 1xCR1632 battery
Simple steps to replace the battery in your car's keyless entry remote
A coin battery installed inside the your key fob. Move the key out of the way if it is in the key fob.
Carefully try to open your keyless entry remote with flat head screwdriver. Replace 1xCR1632 battery with flat head screwdriver.
Now it's time to install new battery in fob’s shell. Battery must be placed with the same polarity as was a previous. Your key will not work if you mistakenly put battery wrong way.
Before assembling keyless entry fob's case, make sure that everything is functioning by testing buttons on circuit board.
At this point squeeze fob’s back cover together. Line your shell pieces together and put it in place by hands from top to bottom. Inspect your keyless entry remote case for gaps. If it is not firmly closed try to repeat last step.
Video of key opening
Lexus CT200h key fob remote battery replacement how to 2013
Still not working? Buy new one