You can signal another vehicle with your headlights by lightly pulling the multifunction lever toward the steering wheel. This will turn on the high beams until the lever is released.
See also:
Steering Wheel Audio Controls
The remote sound system controls are located on the rear surface of the steering
wheel. Reach behind the wheel to access the switches.
Remote Sound System
Controls (Back View Of Steering Wheel)
...
Rear fog lights
(amber)
The warning light turns on when the rear fog lights are turned on. ...
Front passenger's airbag deactivated
(amber)
Warning light comes on when front
passenger’s air bag is deactivated.
With front passenger’s air bag on, turning the ignition key to MAR, warning light
comes on steadily for about 4 s ...