Opel ASTRA 2014 Owner's Manual page 270

268 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 3 271.
■ 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.
■ 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 with the hook.
Vehicle tools 3 257.
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 3 257.
2. Two types of jacks and wheel nut
wrenches are possible depending
on the version, vehicle tools
3 257.
Variant 1a with rigid wheel
wrench: