2009 Subaru Impreza Owner's Manual - Page 331

11-16 Maintenance and service Guideline of coolant quantity (including coolant in reservoir tank): Non-turbo models: MT: 7.2 US qt (6.8 liters, 6.0 Imp qt) AT: 7.1 US qt (6.7 liters, 5.9 Imp qt) Turbo models except WRX STI: MT: 7.9 US qt (7.5 liters, 6.6 Imp qt) AT: 7.8 US qt (7.4 liters, 6.5 Imp qt) WRX STI: MT: 8.1 US qt (7.7 liters, 6.8 Imp qt) CAUTION . Be careful not to spill engine coolant when adding it. If coolant touches the exhaust pipe, it may cause a bad smell, smoke, and/or a fire. If engine coolant gets on the exhaust pipe, be sure to wipe it off. . Do not splash the engine coolant over painted parts. The alcohol contained in the engine coolant may damage the paint surface. 6. Pour the coolant and fill to the reservoir tank's "FULL" level mark. correctly in place. 8. Start and run the engine for more than 5 minutes at 2,000 to 3,000 rpm. 9. Stop the engine and wait until the coolant cools down (122 to 1408F [50 to 608C]). If there is any loss of coolant, add coolant to the radiator's filler neck and to the reserve tank's "FULL" level. 10. Put the radiator cap and reservoir cap back on and tighten firmly. 1) 2) "FULL" level mark "LOW" level mark 7. Put the radiator cap back on and tighten firmly. At this time, make sure that the rubber gasket in the radiator cap is