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 ...

Lamp Messages
TURN SIGNAL ON This message displays and a chime sounds if a turn signal is left on for 1.2 km (0.75 mile). Move the turn signal/multifunction lever to the off position. ...

Exiting the Feature Settings Menu
The feature settings menu will be exited when any of the following occurs: • The vehicle is shifted out of P (Park). • The vehicle is no longer in ON/RUN. • The trip/fuel or vehicle informati ...