2004 Chevrolet Trailblazer Key Fob Battery Replacement Instructions
Key fob allow access to your Trailblazer. When the remote key fob battery is weak or dead you will lose your keyless entry fob's ability to use remote functions. It's not complicated to replace the battery in your remote key fob by yourself. All you need is outlined in this post.
What is the battery remote key fob useBefore going to open key fob be sure that you have all required tools and materials: CR2032 battery and flat head screwdriver.
- 1xCR2032 battery
- flat head screwdriver
Step by step instruction
A coin cell battery installed inside the your key fob. Delicately try to disassemble your remote key fob with flat head screwdriver. Change one CR2032 battery with flat head screwdriver.
Now it's time to install new battery in keyless entry fob's shell. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.
When the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s case in reverse order.
At this point squeeze fob’s back cover together. Line your case pieces together and assemble it in place by hands from top to bottom. Check your key case for gaps. If it is not tightly closed try to repeat last step.
Video of key fob opening
How To Replace Chevrolet Trailblazer Key Fob Battery 2002 2009
Still not working? Buy new one