Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
Finding a Station
To select the band, see “Audio
Source” earlier in this section.
Turn the Menu knob to find a radio
station. To select a preset station,
touch the FAV button and choose a
preset button.
S ...
Parking on Hills
CAUTION:
You really should not park your vehicle,
with a trailer attached, on a hill.
If something goes wrong, your rig could
start to move. People can be injured, and
both your vehicle and t ...
Automatic Door Unlock
The doors will automatically unlock when the shift lever is moved into P (Park).
See Vehicle Personalization . ...