2018 VAUXHALL ASTRA J GTC maintenance

Introduction.................................... 2
In brief ............................................ 6
Keys, doors and windows ............20
Seats, restraints ........................... 37
Storage ........................................ 58
Instruments and controls .............70
Lighting ...................................... 114
Climate control ........................... 127
Driving and operating .................137
Vehicle care ............................... 197
Service and maintenance ..........251
Technical data ........................... 255
Customer information ................278
Index .......................................... 286Contents

Introduction3Vehicle specific dataPlease enter your vehicle's data on
the previous page to keep it easily
accessible. This information is
available in the sections "Service and
maintenance" and "Technical data"
as well as on the identification plate.
Introduction
Your vehicle is a designed
combination of advanced technology, safety, environmental friendliness
and economy.
This Owner's Manual provides you
with all the necessary information to
enable you to drive your vehicle
safely and efficiently.
Make sure your passengers are
aware of the possible risk of accident
and injury which may result from
improper use of the vehicle.
You must always comply with the
specific laws and regulations of the
country that you are in. These laws
may differ from the information in this Owner's Manual.
Disregarding the description given in
this manual may affect your warranty.When this Owner's Manual refers to a
workshop visit, we recommend your
Vauxhall Authorised Repairer. For
gas vehicles, we recommend a
Vauxhall Authorised Repairer
licensed to service gas vehicles.
All Vauxhall Authorised Repairers
provide first-class service at
reasonable prices. Experienced
mechanics trained by Vauxhall work according to specific Vauxhall
instructions.
The customer literature pack should
always be kept ready to hand in the
vehicle.
Using this manual ● This manual describes all options
and features available for this
model. Certain descriptions,
including those for display and
menu functions, may not apply to
your vehicle due to model
variant, country specifications,
special equipment or
accessories.
● The "In brief" section will give you
an initial overview.● The table of contents at the beginning of this manual and
within each section shows where the information is located.
● The index will enable you to search for specific information.
● This Owner's Manual depicts left-
hand drive vehicles. Operation is similar for right-hand drive
vehicles.
● The Owner's Manual uses the engine identifier code. The
corresponding sales designation
and engineering code can be
found in the section "Technical
data".
● Directional data, e.g. left or right, or front or back, always relate to
the direction of travel.
● Displays may not support your specific language.
● Display messages and interior labelling are written in bold
letters.

Keys, doors and windows29A triggered alarm, which has not been
interrupted by the driver, will be
indicated by the hazard warning
lights. They will flash quickly three
times the next time the vehicle is
unlocked with the radio remote
control. Additionally, a warning
message or a warning code is
displayed in the Driver Information Centre after switching on the ignition.
Vehicle messages 3 97.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: Switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Immobiliser The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
The immobiliser is activated
automatically after the key has been removed from the ignition switch.If the control indicator d flashes when
the ignition is on, there is a fault in the
system; the engine cannot be started. Switch off the ignition and repeat the
start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Notice
The immobiliser does not lock the
doors. You should always lock the
vehicle after leaving it and switch on the anti-theft alarm system 3 22,
3 27.
Control indicator d 3 90.Exterior mirrors
Convex shape The convex exterior mirror contains
an aspherical area and reduces blind spots. The shape of the mirror makes
objects appear smaller, which will affect the ability to estimate
distances.
Electric adjustment
Select the relevant exterior mirror by
turning the control to left (L) or right
(R) . Then swivel the control to adjust
the mirror.

110Instruments and controlsThe following functions are available:● Lock or unlock vehicle.
● Honk horn or flash lights.
● Check fuel level, engine oil life and tyre pressure (only with tyre
pressure monitoring system).
● Send navigation destination to the vehicle, if equipped with a
built-in navigation system.
● Locate vehicle on a map.
● Manage Wi-Fi settings.
To operate these functions, download the app from App Store ®
or
Google Play™ Store.
Remote control
If desired, use any phone to call an
advisor, who can remotely operate
specific vehicle functions. Find the
respective OnStar phone number on
our country-specific website.
The following functions are available: ● Lock or unlock vehicle.
● Provide information on the vehicle location.
● Honk horn or flash lights.Stolen vehicle assistance
If the vehicle is stolen, report the theft
to the authorities and request OnStar
stolen vehicle assistance. Use any
phone to call an advisor. Find the
respective OnStar phone number on
our country-specific website.
OnStar can provide support in
locating and recovering the vehicle.Theft alert
When the anti-theft alarm system is
triggered, a notification is sent to
OnStar. You are then informed about
this event by text message or email.Restart prevention
By sending remote signals, OnStar can prevent the vehicle from
restarting once it has been turned off.
On-demand diagnostics
At any time e.g. if the vehicle displays a vehicle message, press Z to
contact an advisor and ask to
complete a real-time diagnostic check
to directly determine the issue.
Depending on the results, the advisor
will provide further support.
Diagnostic report
The vehicle automatically transmits
diagnostic data to OnStar which
sends a monthly email report to you
and your preferred workshop.
Notice
The workshop notification function
can be disabled in your account.
The report contains the status of key
operating systems of the vehicle like
engine, transmission, airbags, ABS,
and other major systems. It also
provides information on possible
maintenance items and tyre pressure (only with tyre pressure monitoring
system).
To look at the information in greater
detail, select the link within the email and log in to your account.
Destination download
A desired destination can be directly
downloaded to the navigation system.
Press Z to call an advisor and
describe the destination or point of
interest.

Climate control127Climate controlClimate control systems.............127
Heating and ventilation system 127
Air conditioning system ...........128
Electronic climate control system .................................... 130
Auxiliary heater ........................134
Air vents ..................................... 135
Adjustable air vents .................135
Fixed air vents ......................... 135
Maintenance .............................. 135
Air intake ................................. 135
Pollen filter ............................... 135
Air conditioning regular
operation ................................ 136
Service .................................... 136Climate control systems
Heating and ventilation system
Controls for: ● temperature
● air distribution
● fan speed
● demisting and defrosting
Heated rear window Ü 3 34.
Temperature
red:warmblue:coldHeating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributions:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by switching the fan to the desired speed.

Climate control135Air vents
Adjustable air vents At least one air vent must be open
while the cooling is on.
To open the vent, turn the adjuster
wheel towards the bigger W symbol.
Adjust the air amount at the vent
outlet by turning the adjuster wheel.
Direct the flow of air by tilting and
swivelling the slats.
To close the vent, turn the adjuster
wheel towards the smaller W symbol.
9 Warning
Do not attach any objects to the
slats of the air vents. Risk of
damage and injury in case of an
accident.
Fixed air vents
Additional air vents are located
beneath the windscreen and door windows and in the foot wells.
Maintenance
Air intake
The air intake in front of the
windscreen in the engine
compartment must be kept clear to
allow air intake. Remove any leaves,
dirt or snow.
Pollen filter The pollen filter cleans dust, soot,
pollen and spores from the air
entering the vehicle through the air
intake.

Vehicle care203Caution
Only washer fluid with a sufficient
antifreeze concentration provides
protection at low temperatures or
after a sudden drop in
temperature.
Use of washer fluid containing
isopropanol can damage exterior
lamps.
Washer fluid 3 252.
Brakes In the event of minimum thickness ofthe brake lining, a squealing noise
sounds during braking.
Continued driving is possible but
have the brake lining replaced as
soon as possible.
Once new brake linings are installed,
do not brake unnecessarily hard for
the first few journeys.
Brake fluid9 Warning
Brake fluid is poisonous and
corrosive. Avoid contact with eyes, skin, fabrics and painted surfaces.
The brake fluid level must be betweenthe MIN and MAX marks.
If fluid level is below MIN seek the
assistance of a workshop.
Brake and clutch fluid 3 252.
Vehicle battery
The vehicle battery is maintenance-
free provided that the driving profile
allows sufficient charging of the
battery. Short-distance-driving and
frequent engine starts can discharge
the battery. Avoid the use of
unnecessary electrical consumers.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Laying up the vehicle for more than
four weeks can lead to battery
discharge. Disconnect the clamp from the negative terminal of the vehicle
battery.
Ensure the ignition is switched off
before connecting or disconnecting
the vehicle battery.

204Vehicle careVehicle battery discharge protection
3 126.
Disconnecting the battery
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: Switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Replacing the vehicle battery Notice
Any deviation from the instructions
given in this section may lead to
temporary deactivation or
disturbance of the stop-start system.
When the vehicle battery is being
replaced, please ensure that there
are no open ventilation holes in the
vicinity of the positive terminal. If a
ventilation hole is open in this area, it
must be closed off with a dummy cap,
and the ventilation in the vicinity of the
negative terminal must be opened.
Only use vehicle batteries that allow the fuse box to be mounted above the
vehicle battery.Ensure that the battery is always replaced by the same type of battery.
We recommend that you have the
vehicle battery replaced by a
workshop.
Stop-start system 3 140.
Charging the vehicle battery9 Warning
On vehicles with stop-start
system, ensure that the charging potential does not exceed
14.6 volts when using a battery
charger. Otherwise the vehicle
battery might be damaged.
Jump starting 3 244.
Warning label
Meaning of symbols:
● No sparks, naked flames or smoking.
● Always shield eyes. Explosive gases can cause blindness or
injury.
● Keep the vehicle battery out of reach of children.
● The vehicle battery contains sulphuric acid which could cause
blindness or serious burn
injuries.