OnStar Services
See also:
Rear Safety Belt Comfort Guides
This vehicle may have rear shoulder
belt comfort guides. If not, they are
available through your dealer.
The guides may provide added
safety belt comfort for older children
who have outgrown ...
How the System Works
The SBZA symbol lights up in the side mirrors when the system detects a vehicle
in the side blind zone, indicating it may be unsafe to change lanes. Before making
a lane change, check the SBZA dis ...
Braking
Braking action involves perception
time and reaction time. Deciding to
push the brake pedal is perception
time. Actually doing it is
reaction time.
Average driver reaction time is
about thr ...






