2003 Hyundai Elantra Owner's Manual - Page 130

VEHICLE MAINTENANCE REQUIREMENTS F020A02S-AAT SCHEDULED MAINTENANCE REQUIREMENTS o Inspection should be performed any time a malfunction is experienced or suspected. o Receipts for all emission control system services should be retained to demonstrate compliance with conditions of the emissions system warranty. o After 120 months or 150,000 miles (240,000 km), continue to follow the prescribed maintenance intervals. o For severe usage maintenance requirements, see page 5-5 of this section. 5- 2