Porsche Boxster Owner's Manual page 75

(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 270.
Towing
Please observe the chapter "TOWING" on page
292.
Checks on test stands
When carrying out brake tests on roller test
stands a maximum testing speed of 5 mph
(8 km/h) must not be exceeded.
Handbrake checks on the roller brake tester
must be performed only with the ignition switched
off.
73
Controls, Instruments