2009 Dodge Journey Owner's Manual - Page 389

STARTING AND OPERATING 387 4. Tongue weight rating for the trailer hitch utilized. (This requirement may limit the ability to always achieve the 10% to 15% range of tongue weight as a percentage of total trailer weight.) Towing Requirements - Tires − Do not attempt to tow a trailer while using a compact spare tire. − Proper tire inflation pressures are essential to the safe and satisfactory operation of your vehicle. Refer to "Tires-General Information" in this section for information on tire pressures and for proper tire inflation procedures. − Also, check the trailer tires for proper tire inflation pressures before trailer usage. − Check for signs of tire wear or visible tire damage before towing a trailer. Refer to "Tires-General Information" in this section for information on tread wear indicators and for the proper inspection procedure. − When replacing tires, refer to "Tires-General Information" in this section for information on replacement tires and for the proper tire replacement procedures. Replacing tires with a higher load carrying capacity will not increase the vehicle's GVWR and GAWR limits. Towing Requirements - Trailer Brakes − Do not interconnect the hydraulic brake system or vacuum system of your vehicle with that of the trailer. This could cause inadequate braking and possible personal injury. − An electronically actuated trailer brake controller is required when towing a trailer with electronically 5