2007 Saturn Aura Owner's Manual - Page 172

When the DRL system is on, the taillamps, sidemarker lamps, parking lamps, and instrument panel lights are not on unless you turn the exterior lamps control to the parking lamp position. As with any vehicle, you should turn on the regular headlamp system when they are needed. driving under bridges or bright overhead street lights does not affect the system. The DRL and automatic headlamp systems will only be affected when the light sensor sees a change in lighting lasting longer than this delay. If you start your vehicle in a dark garage, the automatic headlamp system comes on immediately. Once you leave the garage, it takes about one minute for the automatic headlamp system to change to DRL if it is light outside. During that delay, the instrument panel cluster may not be as bright as usual. Make sure the instrument panel brightness control is in the full bright position. See "Instrument Panel Brightness Control" under Instrument Panel Brightness on page 173. To idle your vehicle with the automatic headlamp system off, turn the ignition on and set the exterior light switch to the off/on position. For Canadian vehicles, the transaxle must stay in PARK (P) for this function. As with any vehicle, you should turn on the regular headlamps when they are needed. Automatic Headlamp System When it is dark enough outside, the automatic headlamp system turns on the headlamps at the normal brightness along with other lamps such as the taillamps, sidemarker, parking lamps, and the instrument panel lights. The radio lights will also be dim. Your vehicle has a light sensor on top of the instrument panel that controls the automatic headlamp system. Make sure it is not covered or the automatic headlamp system will be on when it is not needed. There is a delay in the transition between the daytime and nighttime operation of the DRL and the automatic headlamp systems so that 172