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:
Flash-to-Pass
Use your high-beam headlamps to signal to a driver in front that you want to
pass. It works even if the headlamps are in the automatic position.
To use it, pull the turn signal lever toward you, th ...
Safety Belts
This section of the manual describes how to use safety belts properly. It
also describes some things not to do with safety belts.
WARNING
Do not let anyone ride where a safety belt cannot be wor ...
Safety Belt Reminders
Driver Safety Belt Reminder Light
There is a driver safety belt reminder light on the instrument panel cluster.
When the vehicle is started, this light flashes and a chime may come on to remind
...