Webasto 1533 Bedienungs- Und Wartungsanweisung Seite 18

Setting the time
This function is not available when heating or ventilation mode is active!
Press and hold the button . Press the button "Forward" or "Reverse"
as well.
GB
Release the button .
The time of day is displayed and the clock symbol flashes.
Set the time via the button "Forward" or "Reverse" .
The set time is saved when the display goes out and by pressing the button
Checking the time
Press the button "Forward" or "Reverse" .
The remaining time is displayed if heating or ventilation mode is active.
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