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:
Using UHP with Infotainment Controls
Pairing a Phone
If your mobile phone has simple pairing or auto discovery features, they
need to be turned off before the mobile phone can be paired to the UHP system.
Reference the mobile phone ...
Engine Oil
To ensure proper engine
performance and long life, careful
attention must be paid to engine oil.
Following these simple, but
important steps will help protect
your investment:
- Always use e ...
Highway Hypnosis
Always be alert and pay attention to your surroundings while driving.
If you become tired or sleepy, find a safe place to park the vehicle and
rest.
Other driving tips include:
- Keep the ve ...






