GMC Terrain: Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be
downloaded. The vehicle can be remote started, if equipped, or the doors can be
unlocked from anywhere there is cell ...
See also:
Portable Audio Devices
Some vehicles have a 3.5 mm (1/8 in) auxiliary input and a USB port located in
the center console. External devices such as iPods®, laptop computers, MP3 players,
CD changers, and USB storage dev ...
Comfort
Comfort mode offers a somewhat softer ride
and the transmission shifts gears at lower rpm.
This mode is particularly suitable for long-distance
highway driving. The indicator light in the
butto ...
Engine malfunction (amber)
Engine malfunction (amber)
Illuminates briefly when the
ignition is switched on. If the lamp
flashes or illuminates at any other
time, there is a fault with the engine.
Avoid high speeds and se ...
