Vauxhall Astra Owner's Manual page 161

160 Driving and operating
Do not use the cruise control if it is not
advisable to maintain a constant
speed.
With automatic transmission, only
activate cruise control in automatic
mode.
Control indicator m 3 108.
Switching on
Press rocker switch m at the upper
end, control indicator m illuminates
white.
Activation
Accelerate to the desired speed and
turn thumb wheel to SET/-, the
current speed is stored and
maintained. Control indicator m
illuminates green. Accelerator pedal
can be released.
Vehicle speed can be increased by
depressing the accelerator pedal.
When the accelerator pedal is
released, the previously stored speed
is resumed.
On vehicles with diesel engine, the
gear can be changed while the cruise
control is activated.
Increase speed
With cruise control active, hold thumb
wheel turned to RES/+ or briefly turn
to RES/+ repeatedly: speed
increases continuously or in small
increments.
Alternatively accelerate to the desired
speed and store by turning to RES/+.
Reduce speed
With cruise control active, hold thumb
wheel turned to SET/- or briefly turn
to SET/- repeatedly: speed
decreases continuously or in small
increments.
Deactivation
Press button y, control indicator m
illuminates white. Cruise control is
deactivated. The stored speed is
maintained.
Automatic deactivation:
■ vehicle speed below approx.
20 mph,
■ the brake pedal is depressed,
■ the clutch pedal is depressed on
vehicles with petrol engine,
■ the clutch pedal is depressed for
a few seconds on vehicles with
diesel engine,
■ selector lever in N,
■ engine speed in a very low range,
■ the Traction Control system or
Electronic Stability Control is
operating.
Resume stored speed
Turn thumb wheel to RES/+ at
a speed above 20 mph. The stored
speed will be obtained.
Switching off
Press rocker switch m at the lower
end, control indicator m extinguishes.
The stored speed is deleted.
Switching off the ignition also deletes
the stored speed.