Headlamp high/low-beam changer, Flash-to-pass, Daytime running lamps (drl) – GMC 2012 Sierra User Manual
Page 203: Headlamp high/low-beam, Changer -3, Flash-to-pass -3 daytime running, Lamps (drl) -3, Headlamp high/ low-beam changer 5 3, Lighting 6-3
Advertising