OnStar Services

See also:

Checking Coolant
The vehicle must be on a level surface when checking the coolant level. The engine coolant reservoir is located in the engine compartment on the driver side of the vehicle. See Engine Compar ...

When the Light Is On Steady
This indicates that one or more of the tires are significantly underinflated. A Driver Information Center (DIC) tire pressure message may also display. See Tire Messages. Stop as soon as po ...

Safety, Reliability & Mileage
The Cadillac SRX is an Insurance Institute for Highway Safety Top Safety Pick, meaning it received the top rating, Good, in front, side and rear crash tests, as well as a roof-strength test. For t ...