Opel 2016 ASTRA Owner's Manual page 278

276 Vehicle care
Make the following preparations and
observe the following information:
● Park the vehicle on a level, firm
and non-skid surface. The front
wheels must be in the straight-
ahead position.
● Apply the parking brake and
engage first gear, reverse gear or
P.
● Remove the spare wheel 3 279.
● Never change more than one
wheel at once.
● Use the jack only to change
wheels in case of puncture, not
for seasonal winter or summer
tyre change.
● The jack is maintenance-free.
● If the ground on which the vehicle
is standing is soft, a solid board
(max. 1 cm thick) should be
placed under the jack.
● Take heavy objects out of the
vehicle before jacking up.
● No people or animals may be in
the vehicle when it is jacked-up.
● Never crawl under a jacked-up
vehicle.
● Do not start the vehicle when it is
raised on the jack.
● Clean wheel nuts and thread with
a clean cloth before mounting the
wheel.
9 Warning
Do not grease wheel bolt, wheel
nut and wheel nut cone.
1. Disengage wheel nut caps with a
screwdriver and remove. Pull off
the wheel cover. Vehicle tools
3 264.
Alloy wheels: Disengage wheel
nut caps with a screwdriver and
remove. To protect the wheel,
place a soft cloth between the
screwdriver and the alloy wheel.
Alloy wheels with centre wheel
bolt cap: Disengage centre cap by
inserting and pulling the extractor
in the recess of the brand
emblem, vehicle tools 3 264.
2. Two types of jacks and wheel nut
wrenches are possible depending
on the version, vehicle tools
3 264.
Variant 1a with rigid wheel
wrench: