2008 Subaru Tribeca Owner's Manual - Page 312

9-16 In case of emergency After towing, remove the towing hook from the vehicle and stow it in the tool bag. Fit the towing hook cover on the bumper. 2. Pry off the cover on the rear bumper using a screwdriver, and you will find a threaded hole for attaching the towing hook. WARNING . Do not use the towing hook except when towing your vehicle. . Be sure to remove the towing hook after towing. Leaving the towing hook mounted on the vehicle could interfere with proper operation of the SRS airbag system in a frontal collision. Rear towing hook: 1. Take out the towing hook, screwdriver and wheel nut wrench from the on board tool bag. 3. Screw the towing hook into the thread hole until the threads can no longer be seen. 3. Screw the towing hook into the thread hole until its thread can no longer be seen. 4. Tighten the towing hook securely using a jack handle.