Toyota Avensis Owner's Manual page 554

4-3. Do-it-yourself maintenance
Remove the filter cover.
STEP 4
Left-hand drive vehicles
Right-hand drive vehicles
 Replacement method
554
AVENSIS_OM_OM20B88E_(EE)
Remove the air conditioning
filter and replace it with a new
one.
The "UP" marks shown on
the filter should be pointing up.