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:
Wet brakes
When the vehicle is washed or driven through
water, the brakes may get wet. As a result, your
braking distance will be longer and the vehicle
may pull to one side during braking.
To dry brakes, ...
Function
• HDC can be switched on and off with the
button in the center console. An indicator
light in the button illuminates when HDC is
activated.
• The indicator light in the
instrument
pa ...
Limited braking performance on salttreated roads
WARNING
The layer of salt on the brake discs and the brake pads/linings may cause a delay
in the braking effect, resulting in a significantly longer braking distance, which
could lead to an ...