Toyota 2013 Prius Owner's Manual page 605

5-2. Steps to take in an emergency
If the tire is inflated to more than the specified air pressure
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STEP 1 Disconnect the hose from the valve.
STEP 2
STEP 3 Disconnect the hose from the valve, remove the air release cap
from the hose and then reconnect the hose.
STEP 4 Turn the compressor switch on and wait for several seconds,
and then turn it off. Check that the air pressure indicator shows
the specified air pressure.
If the air pressure is under the designated pressure, turn the
compressor switch on again and repeat the inflation procedure
until the specified air pressure is reached.
The valve of a tire that has been repaired
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After a tire is repaired with the emergency tire puncture repair kit, the
valve should be replaced.
Note for checking the emergency tire puncture repair kit
■
Check the sealant expiry date occasionally.
The expiry date is shown on the bottle.
Do not use sealant that has passed its expiry date. You may be unable to
complete the repair using the emergency tire puncture repair kit.
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Install the air release cap to the end of
the hose and push the protrusion on
the air release cap into the tire valve to
let some air out.