Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Replace the Remote Battery in a Buick LaCrosse?

Model: Buick Lacrosse MK 3 - Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Key

See other generations:
Video tutorial

In this tutorial, you will see how to replace the remote battery in a Buick LaCrosse, a very simple and inexpensive operation. You won’t need any special tools, just a replacement CR2032 3V battery.

First, press and hold the button on the back of the remote, then remove the emergency key and use it to open the back cover by prying in the indicated slot. Once fully opened, you can remove the old battery and insert the replacement, making sure to observe the polarity.


Updated on 31 July 2026 by ScegliAuto


Related tutorials

How to Replace the Key Fob Battery in a Buick Lacrosse
How to Replace the Key Fob Battery in a Buick Lacrosse
Buick Lacrosse (2010-2016 / MK 2) Replacing the battery in the key fob of a Buick Lacrosse is a really simple task. Before proceeding, make sure you have the correct battery model, wh…
How to Replace the Key Battery of the Buick LaCrosse
How to Replace the Key Battery of the Buick LaCrosse
Buick Lacrosse (2005-2009 / MK 1) If you own a Buick LaCrosse Mk1 and your car key has suddenly stopped working, don’t worry because this guide will provide all the necessary steps to…
Replacing the Battery in a Buick Lacrosse
Replacing the Battery in a Buick Lacrosse
Buick Lacrosse (2010-2016 / MK 2) Follow these instructions to remove and replace the engine battery in a Buick Lacrosse in simple and quick steps. First, open the hood and start by r…

How to Open the Fuel Filler Flap in the Hyundai i30?

In this tutorial, you will learn how to open the fuel filler flap in the Hyundai i30, a very simple operation that follows the typical procedure of most vehicles. First, unlock the locks using the designated button on the remote, then open the driver's door, locate the release lever on the left side of the seat, and operate it. Next, move to the fuel filler flap, open it completely, unscrew the cap, and refuel as needed. To close the flap, simply press it gently.

Watch the video!


by ScegliAuto

More videos