Illinois Statutes Chapter 815. Business Transactions § 308/70. Unlawful acts or practices

(1) Advertising in a false, deceptive, or misleading manner.

(2) Charging a consumer for parts not delivered or installed or a labor operation or repair procedure that has not actually been performed.

(3) Unauthorized operation of a consumer's motor vehicle for purposes not related to repair or diagnosis.

(4) Failing or refusing at the time of sale to provide a consumer, upon request, a copy at no charge, of any document signed by the consumer.

(5) Retaining duplicative payment from both the consumer and warranty or insurance proceeds, but not limited to, for the same covered component, part, or labor in excess of collision repair facility final repair charges.

(6) Charging a consumer for unnecessary repairs. For purposes of this paragraph, “unnecessary repairs” means those repairs for which there is not reasonable basis for performing the service. A reasonable basis includes: (i) that the repair service is consistent with specifications established by law or the manufacturer of the motor vehicle, component, or part; (ii) that the repair is in accordance with usual and customary practices; (iii) that the repair was performed at the specific request of the consumer after the recommendation is not in accordance with manufacturer or accepted trade practices; or (iv) that the repair is at the consumer's request.

(7) Misrepresenting the terms of a warranty, guarantee, or service agreement.

(8) Altering a motor vehicle to create a condition requiring repair.

(9) Failing to honor a warranty, guarantee, or service agreement to which the collision repair facility is party.

(10) Charging or receiving payment for repairs not authorized by the consumer under Section 15, 20, 25, 30, 35, 40, 45, 50, 55, or 60.

(11) A pattern or practice of preparing written estimates underestimating the final costs of repairs.