See also:

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

Inserting and removing a CD/DVD
Proceed as described in the "Audio CD/DVD and MP3 mode" section. ...

A unique combination of driver-assistance systems
The 2011 CL-Class further enforces its position as an automotive masterwork and a technology platform with the most advanced assistance and protection systems. These highly perceptive assistants c ...