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The system automatically switches down from
level 2 to level 1 after approximately ten
minutes.
The system automatically switches off approx-
imately 35 minutes after it is set to level 1.
X
Turn the SmartKey to position 1 or 2 in the
ignition lock (Y page 140).
X
To switch on: press button : repeatedly
until the desired heating level is set.
X
To switch off: press button : repeatedly
until all the indicator lamps go out.
i
If the battery voltage is too low, the seat
heating may switch off.
Activating/deactivating seat ventila-
tion
The three blue indicator lamps in the buttons
indicate the blower setting you have selected.
X
Turn the SmartKey to position 1 or 2 in the
ignition lock (Y page 140).
X
To switch on: press button : repeatedly
until the desired blower setting is set.
X
To switch off: press button : repeatedly
until all the indicator lamps go out.
i
If the battery voltage is too low, the seat
ventilation may switch off.
i
You can open the side windows and the slid-
ing sunroof using the "Convenience opening"
feature (Y page 90). The seat ventilation of
the driver's seat automatically switches to the
highest level.
Problems with the seat heating or seat ventilation
Problem
Possible causes/consequences and MM Solutions
The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on.
The on-board voltage is too low because too many electrical consum-
ers are switched on.
X
Switch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating or seat
ventilation will switch back on automatically.
Seats
107
Seats, steering wheel and mirrors
Z
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