Porsche 911 Carrera Owner's Manual page 83

Multifunctional PSM light
– The multifunctional light on the instrument
panel lights up for a lamp check when the
ignition is switched on.
– The light indicates a control operation by
flashing, including when PSM is switched off
(brake control in the event of one-sided wheel
spin).
– In conjunction with a message on the on-board
computer, the light indicates that PSM is
switched off. An acoustic signal also sounds.
– Faults are displayed by the light in conjunction
with a message on the on-board computer.
PSM is out of order.
Please consult an authorized Porsche dealer.
Please observe the chapter "PUTTING
VEHICLE INTO OPERATION" on page 297.
Please observe the chapter "WARNINGS
ON THE INSTRUMENT PANEL AND THE
ON-BOARD COMPUTER" on page 143.
Towing
Please observe the chapter "TOWING" on page
321.
Checks on test stands
Brake tests
Brake tests must be performed only on plate-type
test stands or roller test stands.
The following limit values must not be exceeded on
roller test stands:
– Testing speed 5 mph (8 km/h)
– Test duration 20 seconds
Handbrake tests
Handbrake tests on the roller test stand must be
performed only with the ignition switched off.
81
Controls, Instruments