Dodge 2004 Intrepid Owner's Manual page 175

More than 50% of your driving is at sustained high
speeds during hot weather above 90°F (32°C)
Trailer towing
Taxi, police, or delivery service (commercial operation)
Off road or desert operation
If equipped for and operating with E —85 (ethanol)
fuel
NOTE: If ANY of these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow schedule "B" of the
Maintenance Schedules section of this manual.
If none of these apply to you, then change your engine oil
at every interval shown on schedule A of the Mainte-
nance Schedules section of this manual.
NOTE: Under no circumstances should oil change
intervals exceed 6,000 miles (10 000 km) or 6 months
whichever comes first.
MAINTAINING YOUR VEHICLE 175
CAUTION!
Overfilling or underfilling the crankcase will cause
oil aeration or loss of oil pressure. This could dam-
age your engine.
Engine Oil Selection
For best performance and maximum protection under all
types of operating conditions, we only recommend en-
gine oils that are API Certified and meet the requirements
of DaimlerChrysler's Material Standard MS-6395. Use
Mopar or an equivalent oil meeting the specification
MS-6395.
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