Toyota Prius Owner's Manual page 504

5-2. Steps to take in an emergency
Warning light
(If equipped)
504
PRIUS_OM_OM47A19E_(EE)
Warning light/Details
Tire pressure warning
light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes (P. 506)
• Flat tire (P. 528, 543)
When the light comes on
after blinking for 1 minute:
Malfunction in the tire
pressure warning system
(P. 508)
Correction
procedure
Adjust the tire
inflation pressure
to the specified
level.
The light will turn
off after a few min-
utes. In case the
light does not turn
off even if the tire
inflation pressure
is adjusted, have
the system
checked by any
authorized Toyota
dealer or repairer,
or another duly
qualified and
equipped profes-
sional.
Have the system
checked by any
authorized Toyota
dealer or repairer,
or another duly
qualified and
equipped profes-
sional.