2012 Chevrolet Avalanche Owner's Manual - Page 183

Lighting 6-3 Headlamp High/ Low-Beam Changer 5 3 (Headlamp High/Low Beam Changer): To change the headlamps from low to high beam, push the lever toward the instrument panel. To return to low-beam headlamps, pull the multifunction lever toward you. Then release it. To use it, pull the turn signal lever toward you, then release it. If the headlamps are in the automatic position or on low beam, the high-beam headlamps turn on. They stay on as long as the lever is held. The high-beam indicator on the instrument panel cluster comes on. Release the lever to return to normal operation. . The light sensor determines it is daytime. When the DRL system is on, only the DRL lamps are on. The taillamps, sidemarker, instrument panel lights, and other lamps will not be on. When it begins to get dark, the automatic headlamp system switches from DRL to the headlamps. To turn off the DRL lamps, turn the exterior lamps control to the OFF position and then release. For vehicles first sold in Canada, the transmission must be in the P (Park) position before the DRL lamps can be turned off. Daytime Running Lamps (DRL) Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Canada. The DRL system comes on when the following conditions are met: . . When the high beams are on, this indicator light on the instrument panel cluster will also be on. Flash-to-Pass Use your high-beam headlamps to signal to a driver in front that you want to pass. It works even if the headlamps are in the automatic position. Automatic Headlamp System When it is dark enough outside and the headlamp switch is in AUTO, the automatic headlamp system turns on the headlamps along with other lamps such as the taillamps, sidemarker, parking lamps, roof The ignition is on. The exterior lamps control is in AUTO. The transmission is not in Park. .