See also:

Warning and indicator lights
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Automatic headlight beam leveler (models with HID headlights)
The HID headlights generate more light than conventional halogen headlights. Therefore a driver of an oncoming vehicle may experience too much glare when your headlight beam height adjustment ...

Replacing the air cleaner element
Replace the air cleaner element according to the maintenance schedule in the “Warranty and Maintenance Booklet”. Under extremely dusty conditions, replace it more frequently. It is recommended ...