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:
Automatic Headlamp System
When it is dark enough outside, the automatic headlamp system turns on the headlamps
at the normal brightness, along with the taillamps, sidemarker, parking lamps, and
the instrument panel lights. ...
New Vehicle Break-In
Follow these recommended
guidelines during the first
2 414 km(1,500 miles) of driving
this vehicle. Parts have a break-in
period and performance will be
better in the long run.
For the firs ...
Unlock Feedback (Lights)
When on, the exterior lamps will flash when unlocking the vehicle with the
RKE transmitter.
Press the MENU/SELECT knob when Unlock Feedback (Lights) is highlighted.
Turn the knob to select Flash ...