Subaru 2009 IMPREZA Service Manual page 69

Schedule
PERIODIC MAINTENANCE SERVICES
NOTE:
1. This inspection is not required to maintain emission warranty eligibility and it dose not affect the manufacturer's obligations under
EPA's in-use compliance program.
2. When the vehicle is used in extremely dusty conditions, the air cleaner element should be replaced more often.
3. A tire should be replaced when the tread wear indicator appears as a solid band across the tread. The indicators appear when the
remaining tread has been worn to 1.6 mm (0.063 in) or less.
4. When the A/C filter is installed.
5. For turbo model, replace every 3.75 months or every 6,000 km (3,750 miles).
PM-4