How to Replace the Battery in a 2011 Toyota Corolla Key Fob

If your Corolla key fob is no longer open doors properly, the cell battery probably must to be replaced. Below, we walks you through how to open your remote key fob and replace your Toyota key battery.
What is the battery remote key fob use
Before you start to open remote key fob check all that you need: 1 CR1632 battery and flat head screwdriver.- flat head screwdriver
- 1xCR1632 battery
Step by step instruction
Inside of your remote key fob installed tiny coin cell battery. Remove any internal key before you try to pry apart the keyless entry remote.
Carefully try to pry apart your key with pry tools. Change CR1632 battery with flat head screwdriver.
Now it's time to install new battery inside fob’s case. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
Before assembling fob’s case, make sure that all is functioning by pressing buttons on circuit board.
The last thing to do is put your cover back on fob. Accurately try to assemble the two halves together by hands from top to bottom. If your fob body tightly closed, we done. If not, repeat the last step.
How to replace the battery video instruction
2011 | Toyota | Corolla | Change Battery In Key Fob | How To by Toyota City Minneapolis MN
Still not working? Buy new one