Cl imate co ntro l, Operating the climate control systems – Mercedes-Benz SL-Class 2015 User Manual

Page 147

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the rear window defroster switches off auto-

matically after several minutes.
If the battery voltage is too low, the rear win-

dow defroster may switch off.

Activating/deactivating

X

Turn the SmartKey to position 2 in the igni-

tion lock (

Y

page 151).

X

Press the ¤ button.

The indicator lamp in the ¤ button lights

up or goes out.

Operating the climate control systems

145

Cl

imate

co

ntro

l

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