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:
Heated and Ventilated Seats
On vehicles with heated and ventilated seats, the
controls are located on the front doors and the ignition
must be on to use the feature.
: Press to heat the seat and
seatback.
: Press to he ...
Weatherstrips
Apply silicone grease on weatherstrips to make them last longer, seal better,
and not stick or squeak. See Recommended Fluids and Lubricants . ...
Tire Pressure
Tires need the correct amount of air pressure to operate effectively.
Notice: Neither tire underinflation nor overinflation is good. Underinflated
tires, or tires that do not have enough air, can r ...
