Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment:
- Always use engine oil approved to the proper specification and of the proper viscosity grade.
See “Selecting the Right Engine Oil” in this section.
- Check the engine oil level regularly and maintain the proper oil level. See “Checking Engine Oil” and “When to Add Engine Oil” in this section.
- Change the engine oil at the appropriate time. See Engine Oil Life System.
- Always dispose of engine oil properly. See “What to Do with Used Oil” in this section.
See also:
New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will
perform better in the long run if you follow these guidelines:
- Do not drive at any one constant speed, fast or slow, for the fi ...
That Thing Got a Supercharger?
Yes, the CTS-V does indeed have a supercharged V-8, but you'd be hard-pressed
to know it by listening to the engine. Step on the gas and the most noticeable
sound is the burbling exhaust, which qu ...
Services Specific to Canadian-Purchased Vehicles
Fuel delivery: Reimbursement is approximately $5 Canadian. Diesel fuel
delivery may be restricted. Propane and other fuels are not provided through
this service.
Lock-Out Service: Vehicle r ...






