Situation when you are slowly overtaking other vehicles
side assist: Other vehicles being overtaken slowly
1 Warning lamp on exterior mirror does not light up
The vehicle you are overtaking has not yet been detected by the side assist. The warning lamp on the exterior mirror does not light up ⇒ in “Safety notes” on page 157.
2 Warning lamp lights up in information mode
The vehicle you are passing slowly (with a speed differential less than 15 km/h) is detected by the side assist. The warning lamp on the exterior mirror lights up in the information mode.
3 Warning lamp flashes in warning mode
If you operate the turn signal in situation 2, the warning lamp on the exterior mirror will flash briefly several times. This calls your attention to the presence of a vehicle which you may have overlooked.