Volvo XC40 2019 Owner's Manual page 515

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10. Switch off the compressor and check the
inflation pressure using the air pressure
gauge. The inflation pressure should be
between 1.8 bar (22 psi) and 2.5 bar
(36 psi). If the inflation pressure is too
high, use the air release valve to release
air.
The sealing compound bottle must be
removed in order to access the air release
valve. Remove the bottle in the following
order:
1. Remove the hose from the tire's valve.
2. Remove the hose from the bottle.
3. Remove the bottle from the compres-
sor.
4. Reconnect the hose directly to the
compressor.
5. Screw the hose back on to the tire's
valve.
6. Release air using the air release valve.
WARNING
If pressure falls below 1.8 bar (22 psi), the
hole in the tire may be too large. The vehi-
cle should not be driven. Call roadside
assistance to have the vehicle towed to a
workshop for inspection/replacement of
the tire. Volvo recommends an authorized
workshop.
11. Switch off the compressor and remove
the electrical cable.
12. Unscrew the hose from the tire's valve and
screw the valve cap back on.
NOTE
After inflating a tire, always replace the
valve cap to help prevent valve damage
caused by gravel, dirt, etc.
Use plastic valve caps only. Metal caps
could corrode and become difficult to
remove.
13. Clean the hose before stowing it and
make sure that no sealing compound is
leaking out.
WHEELS AND TIRES
14. Immediately drive the vehicle at least
3 km (2 miles) at a maximum speed of
80 km/h (50 mph) to allow the sealing
compound to seal the tire, and then
recheck the inflation pressure.
WARNING
During the tire's first revolution, some seal-
ing compound may spray out of the punc-
ture hole. Before driving away, make sure
that no one is near the vehicle who could
be sprayed with sealing compound. Make
sure no one is within 2 meters (7 feet) of
the vehicle.
15. Rechecking the inflation pressure
Connect the hose to the tire's valve and
screw the hose connector onto the valve
as far as possible. The compressor must
be switched off.
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