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:
Remote Left in Vehicle Reminder
This allows the Remote Left In Vehicle reminder feature to be turned on or
off. If on, the horn will chirp if a remote is left in the vehicle.
Press the MENU/SELECT knob when Remote Left In Vehicl ...
Engine Fan
The vehicle has electric cooling fans. The fans spinning at low speed during
most everyday driving might be heard. The fans can turn off if no cooling is required.
Under heavy vehicle loading, tra ...
Memory Seats
On vehicles with the memory
feature, memory buttons 1 and 2 on
the driver door are used to save and
recall memory settings for the driver
seat cushion and seatback, outside
mirrors, and th ...