Vauxhall Corsa Owner's Manual page 176

172 Driving and operation
Deflation Detection System
(DDS) 3
The Deflation Detection System
continuously monitors the speed of all
wheels while driving. If a tyre loses
pressure, it becomes smaller and rotates
more quickly than the other wheels. If the
system detects a difference in speed,
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control indicator illuminates red.
Stop immediately and check tyre pressure.
Mount the spare wheel if necessary –
see pages 211, 214.
The system is operational when the ignition
is switched on and can detect pressure loss
from a speed of 20 mph (30 km/h).
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Control indicator
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If control indicator illuminates red while
driving, there is a loss of pressure. Stop
immediately and check tyre pressures. A
maximum speed of 50 mph (80 km/h) is
permitted for run-flat tyres 3. Observe the
information on page 183.
Control indicator illumination
indicates a fault in the system. Have cause
of fault remedied by a workshop. The
system's integrated self diagnostics allow
faults to be quickly remedied.
The control indicator flashes three times
when the system is initialising.
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in yellow