GMC Terrain: Fuel / Fuel Additives
The U.S., Canada, and Mexico post
fuel octane ratings in anti-knock
index (AKI). For fuel not to use in a
foreign country, see Prohibited
Fuels (Gasoline)...
TOP TIER Detergent Gasoline is
highly recommended for use with
your vehicle. If your country does
not have TOP TIER Detergent
Gasoline, add ACDelco Fuel
System Treatment Plus−Gasoline to
the vehicle’s gasoline fuel tank at
every oil change or 15,000 km
(9,000 mi), whichever occurs first...
Other information:
We recommend that the tires,
including the spare tire, if the
vehicle has one, be inspected
for signs of wear or damage at
least once a month.
Replace the tire if:
The indicators at three or
more places around the tire
can be seen.
There is cord or fabric
showing through the tire's
rubber...
If the cruise control system is
already activated:
Press and hold –SET until the
desired lower speed is reached,
then release it.
To slow down in small
increments, briefly press –SET.
For each press, the vehicle goes
about 1 km/h (1 mph) slower...