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.
| MODEL | FOB | YEARS | BATTERY | BUY BATTERY |
|---|---|---|---|---|
| Rainier | Rounded | 2004, 2005, 2006, 2007 | CR2032 | Check 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
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