Mercedes-Benz 2007 GL 320 CDI, Operator'S Manual

Page: 216 / 595

215
Controls in detail
Good visibility
Rear window defroster
The rear window defroster uses a large
amount of power. To keep battery drain to
a minimum, switch off the defroster as
soon as the rear window is clear. The de-
froster is automatically deactivated after
approximately 6 to 17 minutes of
operation depending on the outside tem-
perature.
왘
Switch on the ignition (
컄
page 42).
Activating
왘
Press button
1
on the climate con-
trol panel (
컄
page 218) or the automat-
ic climate control* panel (
컄
page 232).
The indicator lamp on the button
comes on.
Deactivating
왘
Press button
1
once more.
The indicator lamp on the button goes
out.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.
!
If the rear window defroster switches off too
soon and the indicator lamp starts flashing, too
many electrical consumers are operating simul-
taneously and there is insufficient voltage in the
battery. The system responds automatically by
switching the rear window defroster off.
As soon as the battery has sufficient voltage, the
rear window defroster switches back on auto-
matically.