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:
Services Specific to
Canadian-Purchased Vehicles
- Fuel Delivery: Reimbursement
is approximately $5 Canadian.
Diesel fuel delivery may be
restricted. Propane and other
fuels are not provided through
this service.
- Lock-Out Service: Vehicl ...
Brakes
Brakes stop the vehicle and are
crucial to safe driving.
- Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
- Trained dealer technicians have
...
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 ...