OnStar Overview
EmergencySafety Locks
The vehicle has rear door safety locks on each rear door that prevent passengers
from opening the rear doors from the inside.
Using the Rear Door Safety Lock
Move the lever up to lock.
Close the door.
Repeat Steps 1 and 2 for the other rear door lock.
Caution
Pulling the inside do ...
Parking
If the vehicle has a manual transmission, before getting out of the vehicle,
move the shift lever into R (Reverse) if parking on a downhill slope. On a level
surface or an uphill slope, use 1 (First) gear.
Firmly apply the parking brake. Turn the wheels toward the curb for a downhill
slope, o ...
New Vehicle Break-In
Caution
The vehicle does not need an elaborate break-in. But it will perform
better in the long run if you follow these guidelines:
Do not drive at any one constant speed, fast or slow, for
the first 805 km (500 mi).
Do not make full-throttle starts. Avoid downshifting to brake or slow t ...