Porsche Boxster Owner's Manual page 40

Note
The incident light in the area of the sensors
must not be restricted, e.g. by stickers on the
windshield.
Switching off the automatic anti-glare
operation
Press switch B. Light-emitting diode C goes
out.
Switching on the automatic anti-glare
operation
Press switch B. Light-emitting diode C lights
up.
Warning!
Risk of injury. Electrolyte uid can emerge
from a broken mirror glass. This uid irritates
the skin and eyes.
If the electrolyte fluid should come into contact
with the eyes or skin, immediately rinse it off
with clean water. See a doctor if necessary.
38
Controls, Instruments
Warning!
Risk of damage to the paintwork, leather
and plastic parts. Electrolyte uid can be
removed only while it is still wet.
Clean the affected parts with water.
Heated rear window/ Door mirror
heating
The heated rear window/door mirror heater is
ready for operation when the ignition is on.
Switching on
Press button. The light-emitting diode in the
button lights up.
After approx. 15 minutes, the heater switches off
automatically. The heater can be switched back on
by pressing the button again.