How to Replace the Battery in a 2019 Toyota 4Runner Key Fob
If your 4Runner key fob is no longer open doors properly, the battery probably must to be replaced. In this post, we walks you through how to disassembly your keyless entry remote and replace your Toyota key battery step by step.
What type battery does 2019 Toyota 4Runner keyless entry remote take
Before starting open remote key fob check all that you need: flat head screwdriver and CR2016 battery.- 1xCR2016 battery
- flat head screwdriver
Step by step guide
Inside of your keyless entry remote installed tiny button battery. Remove any internal key before you try to pry apart the key fob.
Accurately try to open your fob with pry tools. Replace one CR2016 battery with flat head screwdriver.
Get new battery and install it inside keyless entry fob's body. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.
Before assembling fob’s case, verify that everything is functioning by pressing buttons on circuit board.
At this point squeeze keyless entry fob's back cover together. Line your shell pieces together and assemble it in place by hands from top to bottom. Check your keyless entry remote case for gaps. If it is not firmly closed try to repeat last step.
How to replace the battery video instruction
How to Change/Replace Toyota 4Runner Key Fob Keyless Remote Battery
Still not working? Buy new one