GMC Terrain: Fuel
Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline advertised as TOP TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure gasoline meets enhanced detergency standards developed by auto companies. A list of marketers providing TOP TIER Detergent Gasoline can be found at www.toptiergas.com.
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) on page 9‑53. For all other vehicles, use only the unleaded gasoline described under Recommended Fuel on page 9‑51.
Fuel
...
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when ...
See also:
When the VSC/TRAC are operating
If the vehicle is in danger of slipping
or if any of the drive wheels
spins, the slip indicator light
flashes to indicate that the VSC/
TRAC systems are operating.
A buzzer (intermittent) sound ...
Programming The Memory Feature
To create a new memory profile, perform the following:
NOTE: Saving a new memory profile will erase an
existing profile from memory.
1. Turn the ignition ON.
2. Adjust all memory profile settings ...
Using the A/C
Air conditioning places an extra load
on the engine. Watch the engine
coolant temperature gauge. If it moves near the red zone,
turn off the A/C until the gauge
reading returns to normal.
1. ...
