How to Replace the Battery in a 2001 Chevrolet Blazer Key Fob

If your Chevrolet key is no longer open doors properly, the battery likely must to be replaced. It's not complicated to replace the battery in your remote key fob with our ultimate guide. All you need is described in this post.
What size battery does 2001 Chevrolet Blazer keyless entry remote required
Before going to disassembly key fob be sure that you have all recommended tools and materials: flat head screwdriver and CR2032 battery.- flat head screwdriver
- 1xCR2032 battery
Step by step guide
Inside of your keyless entry remote installed small button battery. Delicately try to pry apart your key fob with flat head screwdriver. Remove 1 CR2032 battery with flat head screwdriver.
Replace old battery with fresh one CR2032. Battery must be placed with the same position as was an old. Your key fob will not work if you mistakenly put battery wrong way.
Before assembling keyless entry fob's case, check that all functions works by pressing buttons on key fob.
At this point squeeze keyless entry fob's back cover together. Line your shell pieces together and assemble it together by hands from top to bottom. Check your fob shell for gaps. If it is not tightly closed try to repeat last step.
How to replace the battery video instruction
How To Replace Chevrolet Blazer Key Fob Battery 1998 1999 2000 2001
Still not working? Buy new one