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).
See Fuel E85 (85% Ethanol). For all other vehicles, use only the unleaded gasoline described under Recommended Fuel.
See also:
Transmission Messages
MANUAL SHIFT
This message displays when the automatic transmission is in manual mode. See
Manual Mode for more information.
TRANSMISSION HOT IDLE ENGINE
Notice: Do not drive the vehic ...
Ignition Positions
(Keyless Access)
The ignition control knob can be
turned to four different positions.
To shift out of P (Park), the
ignition must be in ON/RUN or
ACC/ACCESSORY and the regular
brake pedal must be applied.
...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...