Setting the rear-compartment air vents

See also:

Changing batteries
Batteries are required for the remote control and for the two sets of cordless headphones. Changing batteries. ...

The windshield wipers are inoperative
The windshield wiper drive is malfunctioning. Select another wiper speed on the combination switch. Have the windshield wipers checked at a qualified specialist workshop. ...

2011 Mercedes-Benz CL-Class Review
The 2011 Mercedes-Benz CL550 is stunning — both to look at and to drive — in a way not many cars are. The CL550 is plenty quick, though it's not at the top of the CL-Class heap in terms of power ...