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:
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life sy ...
Body Component Lubrication
Lubricate all key lock cylinders, hood hinges, liftgate hinges, and steel fuel
door hinge unless the components are plastic. Applying silicone grease on weatherstrips
with a clean cloth will make ...
Dual Tone Multi-Frequency (DTMF) Tones
The Bluetooth system can send numbers and the numbers stored as name tags
during a call. You can use this feature when calling a menu—driven phone
system.
Account numbers can also be stored for u ...