See also:

Interior rearview mirror
Auto-dim function An integrated sensor reacts to headlights from following traffic and automatically reduces glare in the mirror. ...

Standby mode due to action by the driver
ACC is temporarily deactivated and put in standby mode: when the brakes are applied if the driver's seat belt is taken off If the driver's door is opened if the gear selector is move ...

Standby mode (temporary deactivation)
Press to temporarily deactivate cruise control (put it in standby mode). The set speed, for example 55 mph, is then shown in parentheses. The previously set speed and time interval are resumed by ...