The steering wheel switches can be used to operate a connected cellular phone.
Operating a telephone using the steering wheel switches
On hook switch

Bluetooth® phone
message function
Bluetooth® phone
settingsInstallation (2005/11-2006/01)
Install no. 1 Roof silencer pad
W/o sliding roof:
Install the 5 silencer pads.
W/ sliding roof:
Install the 2 silencer pads.
Install no. 3 Roof silencer pad
Install no. 1 Roof wire
Only when replacing the roof headlining:
Align the marking, and then ...
Problem symptoms table (2006/01- )
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column
of the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...
General maintenance (2005/11-2006/01)
Inspect steering linkage and gear housing
Check the steering wheel free play.
Check the steering linkage for looseness or
damage.
Check that the tie rod ends do not have
excessive play
Check that the dust seals and boots are not
damaged.
Check that the boot clamps are not ...