Onstar Overview - GMC Terrain Denali 2015 Owner's Manual

E85 or FlexFuel
Vehicles with a yellow fuel cap can
use either unleaded gasoline or
ethanol fuel containing up to 85%
ethanol (E85). See E85 or FlexFuel
on page 9-48. For all other vehicles,
use only the unleaded gasoline
described under Fuel on page 9-47.
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
Avoid fast starts and accelerate
smoothly.
Brake gradually and avoid
abrupt stops.
Avoid idling the engine for long
periods of time.
When road and weather
conditions are appropriate, use
cruise control.
Always follow posted speed
limits or drive more slowly when
conditions require.
Keep vehicle tires properly
inflated.
Combine several trips into a
single trip.
Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
Follow recommended scheduled
maintenance.
Roadside Assistance
Program
U.S.: 1-888-881-3302
TTY Users (U.S. Only):
1-888-889-2438
Canada: 1-800-268-6800
New GMC owners are automatically
enrolled in the Roadside Assistance
Program.
In Brief
See Roadside Assistance Program
on page 13-5.
®
OnStar
This vehicle may be equipped with a
comprehensive, in-vehicle system
that can connect to a live OnStar
Advisor for Emergency, Security,
Navigation, Connection, and
Diagnostic Services. OnStar
services may require a paid
subscription. See OnStar Overview
on page 14-1.
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