Services recommended for every 15,000 miles:

• Inspect ADS level control fluid
• Inspect automatic transmission fluid
• Inspect battery fluid level
• Inspect brake fluid
• Inspect brake system
• Inspect climate control system
• Inspect cooling system
• Inspect differential fluid
• Inspect drive belts
• Inspect electrical system
• Inspect front axle
• Inspect fuel system
• Inspect power steering fluid
• Inspect seat belts
• Inspect tires & wheels
• Inspect transfer case fluid
• Inspect windshield wiper & washer systems
• Inspect windshield wiper blade inserts
• Lubricate body components
• Lubricate engine control linkage

It is also recommended that spark plugs be replaced every 30,000 miles and the underhood dust filter be replaced every 45,000 miles. Vehicle owners who suffer from allergies should consider replacing the dust filter more frequently.