Vauxhall Astra Owner's Manual page 180

If this symbol does not display, or
displays briefly, adaptive cruise
control will not respond to vehicles
ahead.
Deactivation
Adaptive cruise control is deactivated
by the driver when:
■ button y is pressed,
■ brake pedal is applied,
■ clutch pedal is depressed for more
than four seconds,
■ gear selector lever of automatic
transmission is moved to N.
The system is also automatically
deactivated when:
■ vehicle speed slows down below
28 mph or accelerates above
120 mph,
■ Traction Control system is
operating for more than
20 seconds,
■ Electronic Stability Control is
operating,
■ there is no traffic and nothing
detected on the road sides for
several minutes. In this case there
are no radar echoes and the sensor
may report that it is blocked,
■ collision imminent braking is
applying the brakes,
■ radar sensor is blocked by an ice or
water film,
■ fault is detected in the radar, engine
or brake.
When adaptive cruise control is
deactivated automatically, the control
indicator m illuminates white and a
warning symbol is displayed as a pop-
up in the Driver Information Centre.
Driving and operating
The stored speed is maintained.
9 Warning
When adaptive cruise control is
deactivated, the driver has to take
over brake and engine control.
Switching off
Press button C to switch off adaptive
cruise control. The control indicator
m extinguishes. The stored speed is
deleted.
Switching off the ignition also
switches off adaptive cruise control
and deletes the stored speed.
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