2009 Hummer H3T Alpha Owner's Manual - Page 131

Instrument Panel 3-13 Headlamps on Reminder A headlamp reminder chime will sound if the following conditions are met: 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 will come on when the following conditions are met: • The driver door is open. • Parking lamps or headlamps are manually turned on. When the DRL are on, no other lamps are on. The instrument panel will not be lit up either. For vehicles first sold in Canada, if parking lamps are manually turned on, DRL will stay on. When it begins to get dark, the automatic headlamp system will switch from DRL to the headlamps. The regular headlamp system should be turned on when needed. To turn off the DRL, see Exterior Lamps on page 3-11. Vehicles first sold in Canada cannot turn off DRL unless certain conditions are met. See Exterior Lamps on page 3-11. • The key is either not in the ignition switch, or it is in the LOCK/OFF position of the ignition switch. The headlamp reminder cannot be turned off if the conditions listed above are met. In the automatic mode, the headlamps turn off once the ignition is in ACC/ACCESSORY. • The ignition is on. • The exterior lamps control is in AUTO. • The transmission is not in P (Park), if the vehicle has an automatic transmission. • The light sensor determines it is daytime.