Subaru S209 2019 Service Manual page 22

Schedule
PERIODIC MAINTENANCE SERVICES
5. This inspection is not required to maintain emission warranty eligibility and it does not affect the manufacturer's obligations under
EPA's in-use compliance program.
6. When the vehicle is used in extremely dusty conditions, it should be replaced more often.
7. 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.
8. To prevent cooling system leakage, be sure to add SUBARU genuine cooling system conditioner when replacing coolant.
Examples of severe conditions
a. Drive repeatedly at short distance. (Maintenance items 1 and 2)
b. Drive repeatedly on bumpy muddy road. (Maintenance items 15, 17 and 19)
c. Drive repeatedly in dusty conditions. (Maintenance items 7 and 23)
d. Drive in extremely cold weather. (Maintenance items 1, 2, 16, 18, 20 and 22)
e. Area where salt or other corrosive used. (Maintenance items 5, 15, 16, 17 and 20)
f. Coastal area. (Maintenance item 5)
PM-4