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Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the
defroster as soon as the rear window is
clear. The defroster is automatically
deactivated after approximately
6 to 17 minutes of operation depending on
the outside temperature.
Switch on the ignition ( page 38).
Warning!
Any accumulation of snow and ice should be
removed from the rear window before
driving. Visibility could otherwise be
impaired, endangering you and others.
Activating
Press button F or 1 in the
climate control panel ( page 191) or
automatic climate control panel
( page 201).
The indicator lamp on the button
comes on.
Deactivating
Press button F or 1 again.
The indicator lamp on the button goes
G
out.
Controls in detail
Good visibility
!
If the rear window defroster switches off too
soon and the indicator lamp starts flashing, this
means that too many electrical consumers are
operating simultaneously and there is insuffi-
cient voltage in the battery. The system re-
sponds automatically by deactivating the rear
window defroster.
As soon as the battery has sufficient voltage, the
rear window defroster automatically switches on
again.
189
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