See also:

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

Setting a time interval
The set time interval to vehicles ahead can be increased by pressing and decreased by pressing . The current time interval is shown briefly in the display following adjustment. Different ...

Limitations
Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if the driver is not looking straight ahead may make the visual warning signal in the windshield difficult to see. ...