The "lemon law" is found at Arizona Revised Statutes 44-1261 through 44-1267.
Motor Vehicle Warranties
Arizona Revised Statutes
44-1261 Definitions; exemptions
44-1262 New motor vehicle; repair during express warranty or 2 years or 24,000 miles
44-1263 Inability to conform motor vehicle to express warranty; replacement of vehicle or refund of monies; affirmative defenses; tax refund
44-1264 Reasonable number of attempts to conform motor vehicle to express warranty; presumption
44-1265 Nonlimitation of rights; refund or replacement not required if certain procedures not followed; attorney fees
44-1266 Notice to dealers and prospective purchasers
44-1267 Used motor vehicles; implied warranty of merchantability disclaimer; waiver; burden of proof; remedies