GMC Terrain: Performance and 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.
See Roadside Assistance Program.
Diesel Exhaust Fluid (DEF) is used
with diesel engines to reduce the
amount of regulated emissions
produced. The DEF system must be
maintained for the vehicle to run
properly...
Other information:
Engine Specifications
..
This light comes on briefly while
starting the vehicle. If it does not,
have the vehicle serviced by your
dealer.
This light comes on when the
StabiliTrak/Electronic Stability
Control (ESC) system is turned off.
If StabiliTrak/ESC is off, the Traction
Control System (TCS) is also off.
If the StabiliTrak/ESC and TCS are
off, the system does not assist in
controlling the vehicle. Turn on t..