Buick Rainier Key Fob Battery Remote Replacement (2004 – 2007)

If you think it’s time to replace that Rainier key fob—stop! You most likely don’t need a new device, just a new battery. And you don’t need to go to the dealership—you can change the battery yourself. It’s easy to do and only takes a couple of minutes.

Scroll down to see which Buick Rainer key fob you have, and watch the video tutorial to see the step-by-step process.

For other Buick models, see our Buick key fob battery page.

RainierRounded2004, 2005, 2006, 2007CR2032Check on Amazon

How to replace the Buick Rainier “Rounded” key fob battery (2004, 2005, 2006, 2007)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
Buick Rainier Key Fob Battery Replacement (2004 - 2007)

This is the battery you need for the Buick Rainier “Rounded” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life