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:
Removal and Installation of the
Sealant Canister
To remove the sealant canister:
1. Unwrap the sealant hose.
2. Press the canister release
button.
3. Pull up and remove the canister.
4. Replace with a new canister
which is available from you ...
Tilt Wheel
The tilt lever is located on
the left side of the steering
column.
To adjust the lever:
1. Hold the wheel and pull the lever toward you.
2. Move the steering wheel up or down into a
comfort ...
Services Provided
• Flat Tire Change: If unable to
change a flat tire, Roadside
Assistance will provide towing
service to the nearest authorized
Buick dealership. It is the
owner's responsibility for the
...