2007 Hyundai Sonata Owner's Manual - Page 211

5 VEHICLE MAINTENANCE REQUIREMENTS 10 CALIFORNIA PERCHLORATE NOTICE F080A01NF-AAT Perchlorate Material-special handling may apply, See www.dtsc.ca.gov/ hazardouswaste/perchlorate . Notice to California Vehicle Dismantlers: Perchlorate containing materials, such as airbag inflators, seatbelt pretensioners and keyless remote entry batteries, must be disposed of according to Title 22 California Code of Regulations Section 67384.10 (a).