2010 GMC Acadia Owner's Manual - Page 182

6-2 Lighting ; (Parking Lamps): Turns the parking lamps on together with the following: ... It controls the following systems: ... Headlamps Taillamps Parking Lamps License Plate Lamps Instrument Panel Lights Fog Lamps Taillamps License Plate Lamps Instrument Panel Lights Headlamp High/ Low-Beam Changer 2 3 Headlamp High/Low Beam Changer: Push the turn signal/lane change lever away from you to turn the high beams on. Pull the lever towards you to return to low beams. The exterior lamps control has four positions: 9 (Off): Briefly turn to this position to turn the automatic light control off or on again. AUTO (Automatic): Turns the headlamps on automatically at normal brightness, together with the following: ... 2 (Headlamps): Turns the headlamps on together with the following lamps listed below. A warning chime sounds if the driver's door is opened when the ignition switch is off and the headlamps are on... Parking Lamps Taillamps License Plate Lamps Instrument Panel Lights This indicator light turns on in the instrument panel cluster when the high beam headlamps are on. Parking Lamps Taillamps License Plate Lamps Instrument Panel Lights # (Fog Lamps): Push the fog lamps control in to turn on the fog lamps. See Fog Lamps on page 6‑4.