Most people treat signing as the end of the decision. It is closer to the start of a process with its own order. Each step protects you from a different kind of surprise later, and most of them take only a few minutes if you ask for them before the forms are in front of you.
Step one: ask for the full contract
Ask for the complete contract, not a summary or a brochure. A summary is written to persuade, and the full contract is written to be enforced. If the seller cannot produce it, you have learned something important about the deal before you have committed to anything.
Step two: find the sections that decide the outcome
Locate the covered items, the exclusions, the waiting period, the cancellation terms, the transfer language, and the dispute terms. A waiting period is the stretch after purchase when coverage is not yet active for some or all claims. Cancellation terms say how you can end the contract and what refund follows. Transfer terms say whether the contract moves with the car if you sell it. Dispute terms say where and how a disagreement is settled.
Step three: put answers in writing
Ask your questions and have each answer written on the form or in an addendum. A spoken answer you cannot find in the paper is not something you can point to later. If the seller refuses to write it down, treat that refusal as an answer too.
Step four: confirm who is who
Confirm the name of the company that stands behind the contract, the name of the seller, and any administrator listed. These are often different entities. The published pages in our waiting period table can help you compare timing once you know which company is on the paper.
Step five: initial only what you have read
Do not initial a page you have not read. Check that blank lines are filled or struck through, and that the price, term, and mileage figures match what you agreed to. A blank left open is an invitation to add something later.
Step six: take every copy
Leave with a complete signed copy, the finance paper if there is one, and any addendum. Note the date the cancellation window starts on your own calendar. You will need those pages if anything changes.