Consumer RightsPublished: Jan 13, 2026, 10:15 AMUpdated: Jan 13, 2026, 10:16 AM

Vehicle inspection and precautionary report without illusions: how to use them well, where they fail, and 3 habits that prevent scams

Best practices for buying and selling used vehicles in Brazil, with a focus on prevention

Cover illustration: Vehicle inspection and precautionary report without illusions: how to use them well, where they fail, and 3 habits that prevent scams (Consumer Rights)
By Fernanda Ribeiro
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When buying or selling a used vehicle, inspections and precautionary reports have become almost mandatory. They provide technical information and help reduce risks, but they do not replace attention nor cover everything.

The problem begins when consumers treat these documents as a total guarantee. Scams exploit exactly this expectation. Knowing how to use them well — and recognizing their limits — makes a real difference.

What an inspection is for (and what it doesn’t catch)

A traditional inspection focuses on identifying the vehicle. It checks the chassis, engine, plates, mandatory items, and apparent signs of tampering.

It is useful to: - Verify that identifiers match each other. - Point out visible signs of re-stamping. - Meet transfer requirements in many Detrans.

Common limitations: - It does not deeply assess accident history. - It does not include mechanical diagnostics. - It does not guarantee the absence of auction history.

The practical role of the precautionary report

The precautionary report broadens the scope. It analyzes the structure, weld points, body alignment, and possible structural repairs.

It usually helps identify: - Higher-impact collisions. - Poorly executed structural replacements. - Inconsistencies that warrant investigation.

Even so, there are clear limits: - It is not a guarantee of total originality of parts. - It may not detect well-done older repairs. - It does not replace detailed document checks.

Where scams hide despite reports

Scammers take advantage of predictable gaps: - Old reports reused for another listing. - Lax companies that “pass” problematic vehicles. - Blind trust in the seal without reading the content.

An “approved” report may contain important notes in small print. Ignoring them is a common mistake.

Habit 1: read the report as if it were a contract

It’s not enough to see the final status. Read technical fields and notes.

Pay attention to: - Photos: are they of the advertised vehicle? - Dates: is the report recent? - Notes about repainting, welds, and alignment.

If something seems vague or contradictory, ask before moving forward.

Habit 2: compare information beyond the paper

Cross-check what’s in the report with other sources available to consumers: - Vehicle documents and ownership history. - Interior wear versus declared mileage. - Consistency between overall condition and asking price.

Inconsistency does not prove a scam, but it raises a red flag.

Habit 3: control the hiring yourself

Whenever possible, the consumer should hire and pay for the inspection or report.

Best practices: - Avoid “ready-made” reports offered by the seller. - Attend the inspection when allowed. - Keep receipts, digital versions, and photos.

This reduces the chance of reused or manipulated documents.

Consumer rights: clear information and good faith

Inspections and reports do not nullify the duty to inform. If the seller omits known relevant history, the technical document does not “cleanse” the conduct.

Transparency, records, and written communication help organize any potential disputes. More than trusting a stamp, consumers protect themselves with active attention and simple habits.

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