Languages
The vehicle supports English, French (Canadian), and Spanish. The default language is English. To change the display language, see Vehicle Personalization on page 5‑33 for more information.
See also:
Overview
The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck
capability combined with greater off-road versatility. It is highlighted by a
bold exterior design, enhanced all-terrain ...
Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the
best fuel economy possible.
○ Avoid fast starts and accelerate smoothly.
○ Brake gradually and avoid abrup ...
Ending a Call
Press to end a call. ...