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:
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. ...
Second Row Passenger Belt Reminder Light
When the engine is started and the Trip/Fuel display is chosen, three gray
safety belt symbols come on and stay on for several seconds on the top of the
Driver information Center (DIC) to remind ...
Weight of the Trailer Tongue
The tongue load (A) of any trailer is very important because it is also part
of the vehicle weight. The Gross Vehicle Weight (GVW) includes the curb weight of
the vehicle, any cargo carried in it, ...