Black plate (61,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012Driving and Operating 9-61Towing EquipmentHitchesUse the correct hitch equipment.See your dealer or a hitch dealer forassistance.. The rear bumper on the vehicleis not intended for hitches. Donot attach rental hitches or otherbumper-type hitches to it. Useonly a frame-mounted hitch thatdoes not attach to the bumper.. Will any holes be made in thebody of the vehicle when thetrailer hitch is installed? If thereare, seal the holes when thehitch is removed. If the holes arenot sealed, dirt, water, anddeadly carbon monoxide (CO)from the exhaust can get into thevehicle. See Engine Exhaust onpage 9‑26.Safety ChainsAlways attach chains between thevehicle and the trailer. Cross thesafety chains under the tongue ofthe trailer to help prevent the tonguefrom contacting the road if itbecomes separated from the hitch.Leave enough slack so the rig canturn. Never allow safety chains todrag on the ground.Trailer BrakesDoes the trailer have its ownbrakes? Be sure to read and followthe instructions for the trailer brakesso they are installed, adjusted, andmaintained properly.Because the vehicle has antilockbrakes, do not tap into the vehicle'sbrake system. If this is done, bothbrake systems will not work well,or at all.Conversions andAdd-OnsAdd-On ElectricalEquipmentNotice: Do not add anythingelectrical to the vehicle unlessyou check with your dealer first.Some electrical equipment candamage the vehicle and thedamage would not be covered bythe vehicle's warranty. Someadd-on electrical equipment cankeep other components fromworking as they should.Add-on equipment can drain thevehicle's 12‐volt battery, even if thevehicle is not operating.The vehicle has an airbag system.Before attempting to add anythingelectrical to the vehicle, seeServicing the Airbag-EquippedVehicle on page 3‑32 and AddingEquipment to the Airbag-EquippedVehicle on page 3‑32.