The 2017 Buick LaCrosse typically requires Dexos1 Gen 2 engine oil with a viscosity of 0W-20 synthetic. This specification helps meet GM warranty requirements and supports optimal fuel economy and engine protection.
In practice, the owner’s manual lists Dexos1 Gen 2 certified oil at 0W-20 as the preferred choice for normal operation. Using the correct oil is important for warranty coverage and long-term engine health, especially in extreme temperatures or severe service conditions. The LaCrosse’s 3.6-liter V6 benefits from a high-quality synthetic to ensure smooth operation and durability.
Official oil specification
Primary option
Below is the official, model-year-specific oil option most commonly recommended for the 2017 LaCrosse:
- Dexos1 Gen 2 certified engine oil, viscosity 0W-20, synthetic (recommended for the 3.6L V6 in the 2017 LaCrosse).
Always confirm with your owner's manual or a Buick dealer, especially if you operate in extreme weather or under severe driving conditions, as some circumstances may call for adjustments or additional guidance from GM service information.
Maintenance considerations
Guidance for upkeep
After selecting the correct oil, follow the maintenance schedule for timely oil changes and oil-filter replacements. Dexos1 Gen 2 oils are designed for extended service intervals under normal driving, but severe driving conditions can shorten the recommended interval. Always refer to the vehicle’s service schedule for exact guidance.
Summary
Bottom line: For a 2017 Buick LaCrosse, use Dexos1 Gen 2 certified oil with a 0W-20 viscosity (synthetic). Verify the specification in the owner’s manual or with a Buick dealer, and follow the recommended maintenance intervals to ensure optimal performance and warranty compliance.