Most service contract conversations assume ordinary driving. If your car hauls a boat, a camper, a utility trailer, or regular heavy cargo, the wear pattern changes. The transmission, cooling system, brakes, and suspension take more stress, and the paperwork has to account for that stress somewhere. Find out where before you assume the form fits your life.
Describe the real load
Write down what you tow or carry, how often, and how heavy it is. Note whether the hitch was installed by the factory or added later. Keep the trailer weight and the vehicle's own rated capacity on the same page so you can compare them. Those numbers come from the vehicle maker and the trailer label, not from the contract, and they are the figures a shop will use.
Find the use definition
Forms often describe permitted use in a few words, such as personal, commercial, or modified. Find the definition. Ask whether towing counts as personal use, whether a hitch added after the sale counts as a modification, and whether regular cargo work changes the category. If the form is silent, ask for a written answer before you sign.
Ask whether towing changes the claim
Ask whether the company can ask about your load history when a claim is filed, and whether a failure can be questioned because of how the car was used. Ask who makes that decision and on what record. Keep a simple log of trips and loads, and keep it current, since it may be the only evidence of normal use you can show later.
Check the aftermarket parts
An added hitch, a larger radiator, or a heavier-duty transmission cooler may be fine for the work and still raise questions on the form. Ask whether modifications must be reported, whether they must be installed by a certain kind of shop, and whether they affect the parts list. Get those answers in writing, and keep the installation invoices with the contract.
The point is simple. The form has to match the car you actually drive, under the loads you actually carry. If it does not, you want to know that before the trailer is hooked up, not after the transmission is open on a shop lift.