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:
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the
type of services performed in the boxes provided. Retain all maintenance
receipt ...
Lumbar Adjustment
Power Lumbar
If available, press and hold the front or rear of the control to increase or
decrease lumbar support. Release the control when the seatback reaches the
desired level of lumbar su ...
Fabric/Carpet
Start by vacuuming the surface
using a soft brush attachment.
If a rotating brush attachment is
being used during vacuuming,
only use it on the floor carpet.
Before cleaning, gently remove as ...