Navigation
OnStar navigation requires the Directions and Connections service plan.
Push
to receive directions or
have them sent to the vehicle
navigation screen. Destinations
can also be forwarded to the
vehicle from Google Maps™ or
MapQuest.com. The OnStar
mapping database is continuously
updated. Visit www.onstar.com for
coverage maps.
See also:
PARKING ASSIST BLOCKED
SEE OWNER'S MANUAL
If the vehicle has the Ultrasonic
Rear Park Assist (URPA) system,
this message displays if there is
something interfering with the park
assist system. See Ultrasonic
Parking Assist for
mor ...
Fuel Additives
To provide cleaner air, all gasolines in the United States are now required
to contain additives that help prevent engine and fuel system deposits from
forming, allowing the emission control system ...
Loss of Control
Skidding
There are three types of skids that correspond to the vehicle's three
control systems:
- Braking Skid — wheels are not rolling.
- Steering or Cornering Skid — too much speed or steeri ...






