2012 Volvo XC70 Owner's Manual - Page 281

06 During your trip Towing a trailer NOTE Detachable trailer hitch (accessory) 4. Slide the locking bolt through the hitch assembly/ball holder. 5. Insert the cotter pin in the hole at the end of the locking bolt. • When parking the vehicle with a trailer on a hill, apply the parking brake before putting the gear selector in P. Always follow the trailer manufacturer's recommendations for wheel chocking. When starting on a hill, put the gear selector in D before releasing the parking brake. See also page 122 for more detailed information about starting off on a hill while towing a trailer. If you use the manual (Geartronic) shift positions while towing a trailer, make sure the gear you select does not put too much strain on the engine (using too high a gear). The drawbar assembly/trailer hitch may be rated for trailers heavier than the vehicle is designed to tow. Please adhere to Volvo's recommended trailer weights. Avoid driving with a trailer on inclines of more than 15 %. Removing the ball holder C 1. Remove the cotter pin from the locking bolt and slide the locking bolt out of the ball holder/hitch assembly. D A Ball holder Locking bolt Cotter pin Hitch assembly Safety wire attachment G010496 • E B 2. Pull the ball holder out of the hitch assembly. • NOTE A cover for the hitch assembly is also included in the kit. • Trailer Stability Assist (TSA) Trailer Stability Assist is a system designed to help stabilize a vehicle that is towing a trailer when the vehicle and trailer have begun to sway and is part of the Dynamic Stability and Traction Control system (DSTC). See page 148 for information on DSTC. 06 • Installing the ball holder 1. If necessary, remove the cotter pin from the locking bolt and slide the locking bolt out of the hitch assembly. 2. Slide the ball holder into the hitch assembly. 3. Align the hole in the ball holder with the one in the hitch assembly. Trailer cable An adapter is required if the vehicle's trailer hitch has a 13-pin connector and the trailer has 7 pins. Use an adapter cable approved by Volvo. Make sure the cable does not drag on the ground. Function A vehicle towing a trailer may begin to sway for various reasons. Normally this only occurs at high speeds but, for example, if the trailer is overloaded or if the load is unevenly distributed in the trailer, there is risk of swaying at speeds `` 281