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:
Automatic Dimming Mirror
The vehicle has an automatic dimming mirror. The driver outside mirror automatically
adjusts for the glare of headlamps behind you. This feature is controlled by the
on and off setting on the insi ...
Interior Quality & Comfort
The CTS' cabin quality has held up well since this generation first hit the
road as a 2008 model, and it's still competitive against newer entrants like the
535i and M37. Among the highlights are ...
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the
engine power is being reduced to
protect the engine from damage.
There could be several malfunctions
that might cause this message.
Redu ...