2009 Mercury Grand Marquis Owner's Manual - Page 41

Lights HEADLAMP CONTROL Turns the lamps off. Turns on the parking lamps, instrument panel lamps, license plate lamps and tail lamps. Turns the headlamps on. Autolamp control (if equipped) The autolamp system provides light sensitive automatic on-off control of the exterior lights normally controlled by the headlamp control. The autolamp system also keeps the lights on for a predetermined period of time after the ignition switch is turned to off. The delay period can be adjusted up to a maximum of approximately three minutes in duration. • To turn autolamps on, rotate the control counterclockwise to the next position from off. • To turn autolamps off, rotate the control clockwise. The headlamps will also turn on when the wipers are turned on. To change the duration of the autolamp delay, perform the following sequence: Note: Steps 2 through 5 must be carried out within a 10 second period. 1. Start with the ignition switch in the off position and the headlamp switch in the autolamp position. 2. Place the headlamp switch in the off position. 3. Place the ignition switch in the on position and then back to off. 4. Place the headlamp switch in the autolamp position. • At this point, the exterior lamps turn on. 41 2009 Grand Marquis (grn) Owners Guide (own2002), 2nd Printing USA (fus)