2008 Subaru Legacy Owner's Manual - Page 311

8-20 Driving tips & Connecting a trailer 1. Remove the receiver cover from the hitch receiver tube. Then insert the ball mount into the hitch receiver tube. 3. Insert the safety pin into the hitch pin securely. 4. Pull the ball mount to make sure it does not come off the hitch receiver. 2. Insert the hitch pin into the hole on the hitch receiver tube so that the pin passes through the ball mount. 5. Use only a hitch ball that is appropriate for the ball mount and your trailer. The hitch ball must be securely installed on the ball mount. 6. Connect your trailer to the hitch ball. 7. Connect the trailer and the hitch with safety chains that will hold the trailer's maximum gross weight. The chains should cross under the trailer tongue to prevent the tongue from dropping onto the ground in case it should disconnect from the hitch ball. Allow sufficient slack in the chains taking tight-turn situations into account; however, be careful not to let them drag on the ground. 1) 2) Hitch ball installation point Hooks for safety chains