Diagnostics 101
How To Reset the Maintenance Light on Your 2012 Buick Lacrosse
Written by Joseph Kim
August 5th, 2024
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Sometimes your mechanic might forget to reset the maintenance light on your Buick LaCrosse after an oil change or routine service. If you've changed the oil yourself, no worries! Resetting the maintenance light on your dashboard is easy.
Here's an easy-to-follow guide to turning off the maintenance light on your 2012 Buick LaCrosse. We provide two methods:
- The Manual Way
- Using an OBD2 Scanner
Method 1
The Manual Way
1
Turn your ignition to the ON position (without holding your brake)

2
Press the “Menu” button on your left side lever. You should see a “Remaining Oil Life” screen show.


3
Press the side button located on the “SET/CLR” at the edge of your left lever.

4
Select “Yes”


And that’s it! You’ve successfully reset your oil maintenance light.
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Method 2
Using an OBD2 Scanner
1
Plug-in your OBD2 scanner to the DLC port

2
Press “Menu” and navigate to “Service Resets”

3
Select “Oil Reset” and reset it.

And that’s it! You’ve reset your oil maintenance light.
It’s really that simple. With a proper OBD2 scanner, you can reset your oil maintenance light for your 2012 Buick Lacrosse in less than a minute or two.
No need to scavenge through the internet to find instructions. No need to wind back youtube videos step-by-step. Simply plug in your OBD2 scanner and reset your oil light with a few button clicks.
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