GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-MidEast-
13556232) - 2020 - CRC - 5/13/19
Service and Maintenance
293
.
Vehicles that are regularly used
for short trips of 6 kilometers
or less
If your vehicle has an Oil Life
Indicator, the indicator will show
you when to change the oil and
filter. Under severe conditions
the indicator may come on
before 10 000 km/6,000 mi.
Note: All vehicles with
rear-wheel drive
—
change
driveline axle oil every
30 000 km/19,000 mi if vehicle is
used for towing purposes.
* Footnote: Under extreme
driving conditions listed above, it
may be necessary to replace
your spark plugs at more
frequent intervals. For further
assistance in determining the
most suitable service
maintenance intervals for your
vehicle, please contact your
authorized GM Dealer.
Additional Required Services
—
Severe Service
Every 72 000 km/45,000 mi
.
Change automatic transmission
fluid.
Every 120 000 km/75,000 mi
.
Change rear axle fluid,
if equipped with AWD. Do not
directly power wash the transfer
case and/or front/rear axle
output seals. High pressure
water can overcome the seals
and contaminate the transfer
case fluid. Contaminated fluid
will decrease the life of the
transfer case and/or axles and
should be replaced.
Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
.
Have underbody flushing service
performed. See "Underbody
Maintenance" in
.