Toyota 2007 Prius Owner's Manual page 302

82p009b
4. Remove the filter from the filter case
and replace it with a new one.
302
5. Install the filter and filter case in the
reverse order of removal.
When setting the filter to the filter case,
ensure that the flat side of the filter is
down and the ribbed side is up.
Position the filter case so that the "yUP"
mark is pointing up and install it in the
vehicle.
INFORMATION
The air filter should be installed prop-
erly in position. The use of air condi-
tioning with the air filter removed
may cause deteriorated dustproof per-
formance and then affect air condi-
tioning performance.