Object Detection System Messages
PARK ASST BLOCKED SEE OWNERS MANUAL
This message displays if there is something interfering with the park assist system. See Ultrasonic Parking Assist on page 9‑66 for more information.
PARK ASSIST OFF
After the vehicle has been started, this message displays to remind the driver that the URPA system has been turned off. Press the set/reset button or the trip odometer reset stem to acknowledge this message and clear it from the DIC display. To turn the URPA system back on, see Ultrasonic Parking Assist on page 9‑66.
SERVICE PARK ASSIST
This message displays if there is a problem with the Ultrasonic Rear Parking Assist (URPA) system. Do not use this system to help you park. See Ultrasonic Parking Assist on page 9‑66 for more information.
See your dealer for service.
See also:
Securing Child Restraints (Right Front Passenger Seat)
The vehicle has airbags. A rear seat is a safer place to secure a forward-facing child restraint.
See Where to Put the Restraint on page 3‑44.
In addition, the vehicle has a passenger sensing ...
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and
viscosity grade. See Recommended Fluids and Lubricants on page 11‑12.
Specification
Use and ask for licensed e ...
All Terrain chassis and suspension
Based on the chassis of the 2011 Sierra HD trucks, the All Terrain HD
features a fully boxed steel frame with exceptional strength and torsional
stiffness. It incorporates the production models' n ...





