2013 Cadillac ATS Owner Manual - Page 167

Lighting The high-beam headlamps remain on, under the automatic control, until one of the following situations occurs: . 6-3 The system detects an approaching vehicle's headlamps. The system detects a preceding vehicle's taillamps. The outside light is bright enough that high-beam headlamps are not required. The vehicle's speed drops below 20 km/h (12 mph). The turn and lane-change lever is moved forward to the high-beam position or the Flash-to-Pass feature is used. See Headlamp High/Low-Beam Changer on page 6‑4 and Flash-to-Pass on page 6‑4. The automatic high-beam system can be disabled by the High/Low-Beam Changer or the Flash-to-Pass feature. If this happens, the High/Low-Beam . Changer must be activated two times within five seconds to reactivate the automatic high-beam system. The instrument cluster light will come on to indicate the automatic high-beam system is reactivated. The high beams may not turn off automatically if the system cannot detect other vehicle's lamps because of any of the following: . . Your vehicle's windshield is dirty, cracked, or obstructed by something that blocks the view of the light sensor. Your vehicle's windshield is covered with ice, dirt, haze, or other obstructions. Your vehicle is loaded such that the front end points upward, causing the light sensor to aim high and not detect headlamps and taillamps. You are driving on winding or hilly roads. . . . . . The other vehicle's lamp(s) are missing, damaged, obstructed from view, or otherwise undetected. The other vehicle's lamp(s) are covered with dirt, snow, and/or road spray. The other vehicle's lamp(s) cannot be detected due to dense exhaust, smoke, fog, snow, road spray, mist, or other airborne obstructions. . . . You may need to manually disable or cancel the high-beam headlamps by turning the low-beam headlamps on, if any of the above conditions exist. .