When it is dark enough outside and the exterior lamp control is in the automatic position, the headlamps come on automatically. See Exterior Lamp Controls.

The vehicle has a light sensor on top of the instrument panel. Make sure it is not covered, or the headlamps will be on when they are not needed.
The system may also turn on the headlamps when driving through a parking garage or tunnel.
Lights On with Wipers
If the windshield wipers are activated in daylight with the engine on, and the
exterior lamp control is in AUTO, the headlamps, parking lamps, and other exterior
lamps come on. The transition time for the lamps coming on varies based on wiper
speed. When the wipers are not operating, these lamps turn off. Move the exterior
lamp control to
or
to disable this feature.
Daytime Running Lamps (DRL)
Hazard Warning FlashersQuarter Inner Trim Finish Panel Replacement (Hatchback)
Quarter Inner Trim Finish Panel Replacement
Callout
Component Name
Preliminary Procedures
Remove the rear side door opening floor carpet retainer. Refer to
Rear Side Door Opening Floor Carpet Retainer Replacement.
Remove ...
Differential Carrier Removal (6T40/45/50)
Differential Carrier Removal
Callout
Component Name
1
Front Differential Carrier Bearing Assembly
2
Differential Carrier Assembly
3
Final Drive Sun Gear
...
Evaporative Emission System Hose/Pipe Replacement
Removal Procedure
Disconnect the evaporative emission pipe (1). Refer to Plastic Collar
Quick Connect Fitting Service.
Remove the plastic retainer (1) and disconnect the evaporative emission
pipe (2).
Lift and support t ...