How to Open Your 2018 Lexus RC F Key Fob & Change Battery

If your RC F remote key fob is not unlock doors properly, the cell battery surely needs to be replaced. In this post, we explained how to disassembly your key fob and change a dead or weak battery yourself. If you choose to do it at home near RC F, use this guide, but don't forget to check everything you need before you start.
What size battery does 2018 Lexus RC F remote key fob required
Before starting disassembly remote key fob make sure that you have all required tools and materials: flat head screwdriver and one CR2032 battery.- flat head screwdriver
- 1xCR2032 battery
Simple steps to change the battery in your RC F's key fob
A small coin cell battery installed in the your keyless entry remote. Move the key out of the way if it is in the remote key fob.
Carefully try to pry apart your fob with hands or flat head screwdriver. Change CR2032 battery with flat head screwdriver.
Replace old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your key will not work if you connect battery wrong way.
When the new battery installed, verify key fob functionality by pressing buttons. If all functions works, assemble your fob’s body in reverse order.
At this point squeeze keyless entry fob's back cover together. Line your case two halves together and put it in place by hands from top to bottom. If your keyless entry remote shell firmly closed, we done. If not, repeat the last step.
How to replace the battery video guide
DIY - LEXUS How to change SmartKey Key fob Battery on Lexus RX350 ES350 RX450
Still not working? Buy new one