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:
Suggestions for economical operation
Your vehicle's fuel economy depends mainly on your style of driving, where you
drive and when you drive. Each of these factors affects how many kilometers (miles)
you can get from liter (a gal ...
Windshield Washers
Check the fluid level in the
windshield washer reservoir at least
monthly during normal use.
Check the fluid level by removing
the cap and looking at the level
gauge.
On Canadian models: T ...
Playing from a USB
A USB mass storage device or Microsoft Transfer Protocal (MTP) device can be
connected to the USB port.
The USB port is in the center console.
The USB icon displays when the USB device is connecte ...