See also:

Warning/indicator lights and audible reminders
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Air flow control
Press the air flow control buttons to manually control air flow and select the air outlet: — Air flows from center and side vents. — Air flows from center and side vents and foot outlets. â ...

Trailer brakes
If your trailer is equipped with a braking system, make sure it conforms to federal and/or local regulations and that it is properly installed. WARNING Never connect a trailer brake system directl ...