2017.5 VAUXHALL ASTRA J cruise control

192Driving and operatingconsult a workshop to verify and
correct the adaptive cruise control sensor position.
Settings
Settings can be changed in the
vehicle personalisation menu in the
Colour-Info-Display.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Info-Display 3 120.
Vehicle personalisation 3 124.
Fault
If the adaptive cruise control does not
work due to temporary conditions
(e.g. blockage by ice, overheated
brakes or low speed manoeuvres) or
if there is a permanent system error,
then a message is displayed in the
Driver Information Centre.
Vehicle messages 3 122.
Forward collision alert The forward collision alert may help to
avoid or reduce the harm caused by
front-end crashes.
If the vehicle is equipped with
conventional cruise control, the
forward collision alert uses the front
camera in the windscreen to detect a
vehicle directly ahead, in your path.
If the vehicle is equipped with
adaptive cruise control, the forward
collision alert uses the radar sensor to detect a vehicle directly ahead, in
your path.
A vehicle ahead is indicated by the
control indicator A.
If a vehicle directly ahead is
approached too quickly, a warning
chime and alert in the Driver
Information Centre is provided.
Additionally the driver gets notified by
a flashing red LED stripe which is
projected on the windscreen in the
driver's field of view.
A precondition is that forward collision
alert with front camera system is not
deactivated by pressing V on the
steering wheel or, with radar sensor,
that it is not deactivated in the vehicle
personalisation menu 3 124.
Activation
Forward collision alert with front
camera detects vehicles to distances
of approximately 60 metres and
operates automatically at all speeds
above walking speed.
Forward collision alert with radar
sensor detects vehicles to distances of approximately 150 metres and
operates automatically at all speeds
above walking speed.
Alerting the driver
The vehicle ahead control indicator
A illuminates green in the instrument
cluster when the system has detected
a vehicle in the driving path.
The control indicator A changes to
yellow when the distance to a
preceding moving vehicle gets too
small or when approaching another
vehicle too rapidly.

194Driving and operating
Note that the alert timing sensitivity
setting is shared with the following distance setting of the adaptive cruise control. So changing the alert timing
sensitivity changes the adaptive
cruise control following distance
setting.
Deactivation The system can be deactivated.
On forward collision alert with radar
sensor the system can be disabled by
the personalisation menu, 3 124.
On forward collision alert with front
camera press V repeatedly until
Forward Collision Alert Off appears in
the Driver Information Centre.
If the forward collision alert was
deactivated, alert sensitivity is set to
"medium" when ignition is switched on next time.
The last selected setting will be stored
when the ignition is switched off.
General information9 Warning
Forward collision alert is just a
warning system and does not
apply the brakes. When
approaching a vehicle ahead too
rapidly, it may not provide you
enough time to avoid a collision.
The driver accepts full
responsibility for the appropriate
following distance based on traffic, weather and visibility conditions.
The complete attention of the
driver is always required while
driving. The driver must always be
ready to take action and apply the
brakes.
System limitations
Forward collision alert is designed to warn on vehicles only, but may reactalso to other objects.
In the following cases, forward
collision alert may not detect a vehicle ahead or sensor performance is
limited:
● on winding roads
● when weather limits visibility, such as fog, rain, or snow
● when the sensor is blocked by snow, ice, slush, mud, dirt,
windscreen damage or affected
by foreign items, e.g. stickers
Following distance indication
The following distance indication
displays the distance to a preceding
moving vehicle. The front camera in

Driving and operating195the windscreen and the Radar sensor
are used to detect the distance of a
vehicle directly ahead in the vehicle's
path. It is active at speeds above
25 mph.
When a preceding vehicle is detected
ahead, the distance is indicated in
seconds, displayed on a page in the
Driver Information Centre.
On Midlevel display, choose Info
Menu ? via MENU on the turn
signal lever and turn the adjuster wheel to choose following distance
indication page, 3 114On Uplevel display, select Info menu
via steering wheel buttons and press o to select following distance
indication 3 114.
The minimum indicated distance is 0.5 seconds.
If there is no vehicle ahead or the
vehicle ahead is out of range, two
dashes will be displayed: -.- sec.
If Adaptive cruise control is active,
this page shows the alert sensitivity
setting instead of following distance
setting. 3 184.
Active emergency braking
Active emergency braking can help to reduce the damage and injury from
crashes with vehicles and obstacles
directly ahead, when a collision can no longer be avoided either by
manual braking or by steering. Before the active emergency braking
applies, the driver is warned by the forward collision alert 3 192.
The feature uses various inputs (e.g.
camera sensor, radar sensor, brake
pressure, vehicle speed) to calculate
the probability of a frontal collision.9 Warning
This system is not intended to
replace the driver responsibility for driving the vehicle and looking
ahead. Its function is limited to

302IndexAAccessories and vehicle modifications .......................... 226
Active emergency braking ..........195
Adaptive cruise control .......113, 184
Adjustable air vents ...................154
Airbag and belt tensioners .........109
Airbag deactivation ..............62, 109
Airbag label................................... 57 Airbag system .............................. 57
Air conditioning regular operation ................................ 155
Air conditioning system .............. 147
Air intake .................................... 155
Air vents...................................... 154
Antilock brake system ................ 175
Antilock brake system (ABS) .....111
Anti-theft alarm system ................35
Anti-theft locking system .............. 35
Appearance care ........................272
Armrest ................................... 52, 54
Armrest storage ........................... 71
Ashtrays ....................................... 98
Automatic anti-dazzle ..................40
Automatic light control ...............136
Automatic locking ........................28
Automatic transmission .............168
Autostop ..................................... 162
Auxiliary heater ........................... 154B
Battery discharge protection ......145
Battery voltage ........................... 123 Belts.............................................. 55
Bonnet ....................................... 228
Brake and clutch fluid .................277
Brake and clutch system ...........110
Brake assist ............................... 178
Brake fluid .................................. 231
Brakes ............................... 175, 231
Breakdown.................................. 270
Bulb replacement ....................... 234
C Capacities .................................. 291
Cargo management system ........81
Catalytic converter .....................167
Central locking system ................23
Centre console lighting ..............144
Changing tyre and wheel size ...259
Charging system ........................ 110
Child locks ................................... 29
Child restraint installation locations ................................... 66
Child restraints.............................. 63
Child restraint systems ................63
Climate control ............................. 15
Climate control systems .............146
Clock............................................. 94
Collision damage repair ..............296

303Control indicators........................ 108
Control of the vehicle .................157
Controls ........................................ 90
Convex shape .............................. 38
Coolant and antifreeze ...............277
Cruise control ....................113, 181
Cupholders .................................. 70
Curtain airbag system .................. 61
Curve lighting.............................. 137
D
Danger, Warnings and Cautions ...4
Daytime running lights ...............137
Declaration of conformity ............296
Diesel fuel system bleeding .......233
Diesel particle filter ....................167
Door open .................................. 114
Doors ............................................ 29
Driver assistance systems ..........181
Driver Information Centre ...........114
Driving characteristics and towing tips .............................. 221
Driving hints ................................ 157
E Electric adjustment ......................38
Electrical system......................... 245
Electric parking brake .........110, 176
Electric parking brake fault .........110
Electronic climate control system 149Electronic driving programmes .
........................................ 170, 174
Electronic key system ...................21
Electronic Stability Control.......... 179
Electronic Stability Control and Traction Control system ..........111
Electronic Stability Control off..... 111
End-of-life vehicle recovery .......227
Engine compartment fuse box ...246
Engine coolant ........................... 230
Engine coolant temperature gauge ..................................... 106
Engine data ............................... 284
Engine exhaust .......................... 166
Engine identification ...................280
Engine oil ................... 229, 277, 281
Engine oil pressure ....................112
Entry lighting .............................. 144
Event data recorders ..................299
Exit lighting ................................ 144
Exterior care .............................. 272
Exterior light ............................... 113
Exterior lighting ....................12, 135
Exterior mirrors ............................. 38
F
Fault ................................... 170, 174
First aid kit ................................... 85
Fixed air vents ........................... 154
Fog light ..................................... 113Fog lights ................................... 236
Folding mirrors ............................. 38
Following distance ......................111
Following distance indication ......194
Forward collision alert................. 192
Fragrance diffuser ........................97
Front airbag system .....................60
Front fog lights ........................... 141
Front seats.................................... 46
Front storage ................................ 71
Fuel............................................. 216
Fuel consumption - CO 2-
Emissions ............................... 219
Fuel for diesel engines ..............217
Fuel for natural gas operation ...217
Fuel for petrol engines ...............216
Fuel gauge ................................. 105
Fuel selector .............................. 105
Fuses ......................................... 245
G Gauges ....................................... 103
Gear shifting ............................... 111
General information ...................220
Glovebox ..................................... 70
H
Halogen headlights ....................234
Hand brake ......................... 175, 176
Hazard warning flashers ............140
Headlight flash ........................... 136