144 Multi-Purpose Display and Instruments
The voltmeter indicates the vehicle electrical sys-
tem voltage.
Normal range: 12 to 16 volts.
The voltage may drop considerably when the
vehicle is being started.
If the indicator is continually below 12 volts
when the engine is running:
f Please have the battery charging system che-
cked at an authorized Porsche dealer.
Battery/alternator
A warning message will appear on the multi-purpo-
se display of the instrument panel if the voltage
drops significantly.
f Stop in a safe place and switch off the engine.
f For information on the warning message on
the multi-purpose display:
Please observe the chapter “OVERVIEW OF
WARNING MESSAGES” on Page 172.
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
required to steer) and engine cooling fails.
f Do not continue driving.
f Have the fault remedied at your nearest autho-
rized Porsche dealer.
Danger of steering assistance failing during
a long trip in the water if the drive belt slips.
f If the steering assistance fails, more effort will
be required to steer.
Voltmeter
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