2012 Toyota Sienna Owners Manual - Page 399

2-5. Driving information Positions for towing hitch receiver Hitch receiver pin hole position: 37.3 in. (949.8 mm) 2 When driving Connecting trailer lights Please consult your dealer when installing trailer lights, as incorrect installation may cause damage to the vehicle's lights. Please take care to comply with your state's laws when installing trailer lights. 365 SIENNA_U (OM45477U)