2013 Subaru Impreza Owner's Manual - Page 382

11-12 Maintenance and service 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. ! Changing the coolant It may be difficult to change the coolant. Have the coolant changed by your SUBARU dealer if necessary. The coolant should be changed according to the maintenance schedule in the "Warranty and Maintenance Booklet". Air cleaner element WARNING Do not operate the engine with the air cleaner element removed. The air cleaner element not only filters intake air but also stops flames if the engine backfires. If the air cleaner element is not installed when the engine backfires, you could be burned. & Replacing the air cleaner element Replace the air cleaner element according to the maintenance schedule in the "Warranty and Maintenance Booklet". Under extremely dusty conditions, replace it more frequently. It is recommended that you always use genuine SUBARU parts. CAUTION When replacing the air cleaner element, use a genuine SUBARU air cleaner element. If it is not used, there is the possibility of causing a negative effect to the engine. The air cleaner element functions as a filter screen. When the element is perforated or removed, engine wear will be excessive and engine life shortened. It is not necessary to clean or wash the air cleaner element. 1) 2) 3) 4) 5) Connector Clip Clamp Air intake boot Clip 1. Unplug the connector that is attached to the top of the air cleaner case. 2. Detach the connector cable from the clip on the right side of the air cleaner case.