night vision Citroen DS5 HYBRID4 RHD 2013.5 1.G Owner's Manual

11 5Comfort
Automatic day/night model
By means of a sensor, which measures the light from the rear of the vehicle, this system automatically and progressively changes between the day and night uses.
Adjustable mirror providing a central rearward view. Equipped with an anti-dazzle system, which darkens the mirror glass and reduces the nuisance to the driver caused by the sun, headlamps from other vehicles...
Rear view mirror
In order to ensure optimum visibility during your manoeuvres, the mirror lightens automatically when reverse gear is engaged.
Steering wheel adjustment
 When stationary , pull the control lever to When stationary , pull the control lever to When stationaryrelease the adjustment mechanism.  Adjust the height and reach to suit your driving position.  Push the control lever to lock the adjustment mechanism.
As a safety precaution, these operations should only be carried out with the vehicle stationary.
As a safety measure, the mirrors should be adjusted to reduce the "blind spot".
Seeing clearly
For better rear vision, align the bottom of the rear view mirror with the bottom of the rear screen.