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Rustproofing and undercoating: do you have to pay it?

Found "Rustproofing and undercoating" on your car quote? Here is what it is, whether you have to pay it, and what to say to the dealer. Check your whole quote free: it stays on your phone.

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What it is

An extra coating under the car, sold as protection against rust.

Do you have to pay it?

No. Consumer Reports lists rustproofing among unnecessary extras. Cars come with corrosion protection from the factory.

What to say to the dealer

"I don't want the rustproofing or undercoating. Please remove it."

Before you sign

Ask for the out-the-door price in writing, with every line itemized. Compare it with other dealers, and don't sign until the buyer's order matches what you agreed.

Related fees

Sources

  1. Consumer Reports: car dealer fees, yes, no and never