Saab 2003 9-5 2.3 Turbo Ecopower, Owner'S Manual

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129 Interior equipment and trunk
Rearview mirrors with auto dimming
function (accessory/option)
The autodimming is activated and deacti-
vated with a short push on button 2.
If the mirror is equipped with Garage Door
Opener (option) the letter 1 is displayed on
compass bearing display briefly when auto
dimming is activated. When deactivating
the letter 0 is displayed.
The interior rearview mirror has two sen-
sors, one forward-facing and one rear-fac-
ing. They also activate and deactivate the
auto dimming feature on door mirrors.
The system is activated when the for-
ward-facing sensor detects that it is dark
outside and the rear-facing sensor detects.
For example, if the car following has not
dimmed its headlights. The rearview mirrors
are then darkened to prevent the strong light
source from dazzling the driver. This dark-
ening is stepless.
The mirrors return to their normal states
when the strong light source diminishes.
The auto dimming function can be turned
OFF with the switch on the lower edge of the
rear-view mirror.
NOTE
Towing a trailer can cause the system to
malfunction, as the rear-facing sensor may
sense light from the trailer.
1 Forward-facing sensor
2 ON/OFF switch, auto dimming function
3 Rear-facing sensor