2010 Chrysler PT Cruiser Owner Manual - Page 321

M A I N T E N A N C E 320 MAINTENANCE SCHEDULES EMISSIONS CONTROL SYSTEM MAINTENANCE The Scheduled Maintenance services listed in bold type must be done at the times or mileages specified to ensure the continued proper functioning of the emissions control system. These and all other maintenance services included in this manual, should be done to provide best vehicle performance and reliability. More frequent maintenance may be needed for vehicles in severe operating S conditions, such as dusty areas and very short trip C H driving. E D U L E S MAINTENANCE SCHEDULES There are three maintenance schedules that show required service for your vehicle. First is "Maintenance Schedule B." It is for vehicles that are operated under the conditions that are listed below and at the beginning of the schedule. • Day and night temperatures are below 32°F(0°C). • Stop and go driving. • Extensive engine idling. Inspection and service should also be done anytime a • Driving in dusty conditions. malfunction is suspected. NOTE: Maintenance, replacement or repair of the emis- • Short trips of less than 10 miles (16 km). sions control devices and systems on your vehicle may be • More than 50 percent of your driving is at sustained performed by any automotive repair establishment or high speeds during hot weather, above 90°F(32°C). individual using any automotive part that has been certified pursuant to U.S. EPA or in the State of Califor- • Trailer towing.