See also:

Changing the battery
You require a CR 2025 3 V cell battery. - Take the mechanical key out of the SmartKey. - Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery t ...

Notes on using dual-zone automatic climate control
The following contains notes and recommendations on optimum use of dualzone automatic climate control.  - Activate climate control using the and buttons. The indicator lamps above the ...

Restoring the factory settings
► Press the buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...