Toyota 2012 Prius Owner's Manual page 605

5-2. Steps to take in an emergency
STEP 20
580
PRIUS PHV_OM_OM47818U_(U)
Turn the compressor switch on
and wait for several seconds,
and then turn it off. Check the tire
inflation pressure.
If the tire inflation pressure is
under 19 psi (130 kPa, 1.3 kgf/
2
cm or bar): The puncture
cannot be repaired. Contact
your Toyota dealer.
If the tire inflation pressure is
19 psi (130 kPa, 1.3 kgf/cm
or bar) or higher, but less than
the specified air pressure:
STEP 21
Proceed to
If the tire inflation pressure is
the specified air pressure:
STEP 22
Proceed to
2
.
.