Products or services sold by dealerships that can be added on to the vehicle. Some examples include rust-proofing, upholstery treatments, alarm systems, and extended warranties. Remember that these add-ons will increase the price of the vehicle, and your monthly payment. Also these items are normally marked up outrageously. Also referred to as snake oil by dealers,because it bites you.

Addons are items or services that can be added on to the automobile by the dealership. These items are usually overpriced and dealers often refer to them as snake oil because it bites you.