Windshield wiper rainlamp feature

When the windshield wipers are turned on during daylight, and the headlamp control is in the autolamp position, the exterior lamps will turn on after a brief delay and will remain on until the wipers are turned off.
See also:
Fog lamp control
With the ignition on, the fog lamps
can be turned on when the
headlamp control is pulled toward
you and is in any of the following
positions:
• Parking lamps
• Low beams
• Autolamps ...
Exceptions
There are several exceptions to the Normal Schedule. They are listed
below:
Normal vehicle axle maintenance: Rear axles and power take-off
(PTO) units with synthetic fluid and light-duty trucks e ...
Windows and wiper blades
The windshield, rear and side windows and the wiper blades should be
cleaned regularly. If the wipers do not wipe properly, substances on the
vehicle’s glass or the wiper blades may be the cause. ...
