Subaru Outback Manuals 2018 Outback Owner's Manual | Page 378

8-30 Driving tips/Trailer towing (Outback) may cause the transmission fluid to over- heat. ! Parking on a grade S08AL0504 Always block the wheels under both vehicle and trailer when parking. Apply the parking brake. You should not park on a hill or slope. If parking on a hill or slope cannot be avoided, you should take the following steps: 1. Apply the brakes and hold the pedal down. 2. Have someone place wheel blocks under both the vehicle and trailer wheels. 3. When the wheel blocks are in place, release the regular brakes slowly until the blocks absorb the load. 4. Apply the regular brakes and then apply the parking brake; slowly release the regular brakes. 5. Shift into ā€œPā€ and shut off the engine.