Porsche 911 CARRERA - 2003 Manual page 49

Limits of ultrasonic measurement
The parking assistant system cannot detect:
- sound-absorbing obstacles (e.g. powder
snow),
- sound-reflecting obstacles (e.g. glass sur-
faces, flat painted surfaces)
- and very thin obstacles.
Other ultrasound sources (e.g. pneumatic
brakes of other vehicles, jackhammers) can
interfere with detection of obstacles.
Fault indication
The parking assistant system indicates a fault in
two ways:
- After reverse gear has been selected, the
short signal tone is followed by a continuous
tone of the same
pitch:
This indicates that sensors are soiled or
covered with ice.
- After reverse gear has been selected, the
short signal tone is followed by a continuous
tone with a much lower pitch:
This indicates a general system fault. Please
have the fault remedied at an authorized
Porsche dealer.
A - Control switch for door mirror adjustment
Swivelling down mirror glass on the
passenger's side
On vehicles with seat memory you can activate
an additional parking aid.
Activating see "Seat Memory".
- When reverse gear is engaged, the mirror
glass on the passenger's side swivels down
slightly to show the curb area.
- The mirror glass returns to its initial position
when the car is shifted out of reverse gear.
c-..
a
Moving mirror
glass
to its initial position
with reverse gear engaged
t>
Briefly move control switch A in any direction.
Controls, Instruments 49