GMC 2018 Terrain Owner's Manual page 291

290 Service and Maintenance
have your dealer perform these
services every 10 000 km/6,000 mi.
Proper vehicle maintenance helps to
keep the vehicle in good working
condition, improves fuel economy,
and reduces vehicle emissions.
Because of the way people use
vehicles, maintenance needs vary.
There may need to be more
frequent checks and services. The
Additional Required Services -
Normal Service are for vehicles that:
Carry passengers and cargo
within recommended limits on
the Tire and Loading Information
label. See Vehicle Load Limits
0 165.
Are driven on reasonable road
surfaces within legal driving
limits.
Use the recommended fuel. See
Fuel 0 208.
Refer to the information in
Additional Required Services -
Normal Service.
The Additional Required Services -
Severe Service are for vehicles
that are:
Mainly driven in heavy city traffic
in hot weather.
Mainly driven in hilly or
mountainous terrain.
Used for high speed or
competitive driving.
Used for taxi, police, or delivery
service.
Refer to the information in
Additional Required Services -
Severe Service
Warning
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See Doing Your Own
Service Work 0 219.
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
Check the engine oil level. See
Engine Oil 0 225.
Once a Month
Check the tire inflation
pressures. See Tire Pressure
0 255.
Inspect the tires for wear. See
Tire Inspection 0 261.
Check the windshield washer
fluid level. See Washer Fluid
0 235.
Every Five Years
Replace brake fluid.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system may not