Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Engine Air Cleaner/Filter
See Engine Compartment Overview for the location of the engine air
cleaner/filter.
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace
it at the first oi ...
CTS Coupe in the Market
In terms of arresting exterior design and luxurious cabin furnishings, the
CTS coupe has it made. Many coupe buyers, though, want more than a car that just
looks great: They want something that go ...
Power Reclining Seatbacks
To adjust a power seatback, if available:
- Tilt the top of the control rearward to recline.
- Tilt the top of the control forward to raise. ...