Porsche Boxster Owner's Manual page 130

Battery
If the battery voltage drops abruptly, a warning
message will be displayed by the on-board compu-
ter.
If the warning is displayed by the on-board
computer while the engine is running or while
driving:
f Stop the car in a safe place and stop the
engine.
Possible causes
– Defect in the battery charging system.
– Broken drive belt.
Warning!
Risk of engine damage with resultant loss of
control and accident, leading to serious per-
sonal injury or death.
A broken drive belt means there is no power
assistance to the steering (more effort is re-
quired to steer) and coolant pump function
will stop.
f Do not continue driving.
f Have the fault remedied at the nearest author-
ized Porsche dealer.
128
Instruments, On-Board Computer, Warnings
Central Warning Light
The central warning light on the instrument panel
lights up if there are warning messages in the
INFO menu.
The messages can be called in the on-board
computer INFO menu:
f Please see the chapter "INFO WARNING MES-
SAGES" on Page 136.
Brake Warning Light USA
Brake Warning Light Canada
The warning light on the instrument panel lights
up:
– if the handbrake is on,
– if the brake fluid level is low,
– if the brake pads have reached the wear limit,
– if the brake circuit division is defective.
Additionally, a warning is displayed by the on-
board computer.
f Please see the chapter "WARNINGS ON THE
INSTRUMENT PANEL AND THE ON-BOARD
COMPUTER" on Page 162.