2010 GMC Canyon Extended Cab Owner's Manual - Page 19

Exterior Lighting For more information, see: Exterior Lamps on page 4-10 Daytime Running Lamps (DRL) on page 4-11 Automatic Headlamp System on page 4-12 Fog Lamps on page 4-12 Exterior Cargo Lamps on page 4-13 O : Turns off all exterior lamps including the Daytime Running Lamps (DRL). AUTO: Automatic operation of the headlamps and other exterior lamps at normal brightness. ; : Manual operation of the parking lamps and other exterior lamps. 2 : Manual operation of the headlamps and other exterior lamps. 1-13