2006 Jeep Grand Cherokee Owner's Manual - Page 399

Schedule "B" Follow this schedule if you usually operate your vehicle under one or more of the following conditions. • Day or night temperatures are below 32°F (0°C) • Stop and go driving • Excessive engine idling • Driving in dusty conditions • Short trips of less than 10 miles (16.2 km) • More than 50% of your driving is at sustained high speeds during hot weather, above 90°F (32°C) • Trailer towing • Heavy loading A I N T • Off-road or desert driving E • If equipped for and operated with E-85 (ethanol) N A fuel. N C NOTE: If ANY of these apply to you, change your E SCHEDULE "B" 399 M • Taxi, police, or delivery service (commercial service) engine oil every 3,000 miles (5 000 km) or 3 months, whichever comes first, and follow the maintenance rec- S C ommendations in "Maintenance Schedule B." H NOTE: If ANY of these apply to you then flush and replace your engine coolant every 102,000 miles (170 000 km) or 60 months, whichever comes first, and follow "Schedule B" of the "Maintenance Schedules" section of this manual. E D U L E S 8