Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either
unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).
For all other vehicles, use only the unleaded gasolin ...
Dual Mode
This dual screen symbol displays when the screen is in dual mode.
Dual mode displays the route on half of the screen and a maneuver or Interstate
Exit list on the other half. The Interstate Exit ...
Trunk (Sedan, Coupe)
WARNING!
Exhaust gases can enter the
vehicle if it is driven with the
liftgate or trunk/hatch open,
or with any objects that pass
through the seal between the
body and the trunk/hatch or
...






