Driving For Better Fuel; Economy; Roadside Assistance; Program - GMC Sierra 2018 Owner's Manual

The oil life system can also be reset
as follows:
1. Display OIL LIFE REMAINING
on the DIC.
See Driver Information Center
(DIC) (Uplevel and Denali
Cluster) 0 157 or Driver
Information Center (DIC) (Base
Level Cluster) 0 155.
2. Fully press the accelerator
pedal slowly three times within
five seconds.
3. If the display changes to 100%,
the system is reset.
See Engine Oil Life System 0 340.

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
In Brief
New GMC owners are automatically
enrolled in the Roadside Assistance
Program.
See Roadside Assistance Program
0 453.
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