OnStar Services
See also:
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil
and filter. This is based on a combination of factors which include engine revolutions,
engine temperature, and mile ...
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room around ...
Infotainment
Determine which radio the vehicle has and read the following pages to become familiar with its features.
WARNING
Taking your eyes off the road for extended periods could cause a crash resulting in i ...