"Warranty" means a written document signed or authorized by the party on whose behalf it is given which is made or given incident to the sale or lease of a new motor vehicle which contains either statements or promises that said new motor vehicle meets or will [...]

(21) "Warranty" means any express written warranty of the manufacturer but shall not include any extended coverage purchased by the consumer as a separate item.

"warranty" means the written warranty of the manufacturer of a new farm tractor of its condition and fitness for use, including any terms or conditions precedent to the enforcement of obligations under that warranty [...]