Your Jeep, Ram, and Dodge Oil Change Indicator Explained

The oil change indicator in your Jeep, Ram, or Dodge vehicle is an advanced system designed to tell you exactly when your engine oil needs to be replaced. It monitors various factors, not just mileage, to determine the optimal time for an oil and filter change. When the indicator light illuminates, it's time to schedule service within 500 miles or sooner if you're driving under severe conditions.

How the Stellantis Oil Change Indicator Works

Unlike older systems that simply tracked mileage, the Stellantis oil change indicator (also known as the oil life monitor) uses a sophisticated algorithm. It considers several factors to calculate your oil's remaining life, including engine operating conditions, temperature, and driving habits. This helps ensure you get the most out of your oil while protecting your engine.

For most standard gas engines, the system will remind you to service your vehicle within 500 miles of the reminder, never exceeding 10,000 miles, 12 months, or 350 engine hours, whichever comes first. However, some engines have different intervals:

• 6.4L, RHO, and 6.2L engines: Service within 6,000 miles or 6 months.
• Ram HD 6.7L Cummins diesel engines: Service within 15,000 miles or 12 months.

When the indicator light comes on, it's a prompt to schedule your service soon. Delaying an oil change can potentially impact your engine's performance and longevity.

When to Change Your Oil Sooner: Severe Service Conditions

The oil change indicator is designed for normal driving conditions. However, certain situations put extra stress on your engine oil, requiring more frequent changes than the indicator might suggest. Stellantis defines severe-service conditions as:

• Desert driving
• Dusty or off-road conditions
• Frequent trailer towing
• Sustained high speed driving above 90°F
• Extreme heat

If your driving regularly involves any of these conditions, it's wise to consider changing your oil and filter more frequently. For example, if you frequently tow a trailer through the Arizona heat, your oil may degrade faster. Our Mopar-certified technicians at Horne CDJR can help you determine an appropriate service schedule for your specific driving habits and vehicle.

Resetting Your Oil Change Indicator

After an oil change, it's crucial to reset the oil change indicator so it can accurately begin monitoring the new oil's life. The exact procedure can vary slightly by model and year, but it typically involves a sequence using the ignition and accelerator pedal, or through the vehicle's Uconnect infotainment system settings. Your owner's manual provides specific instructions for your Jeep, Ram, or Dodge model. If you have your oil changed at Horne Chrysler Dodge Jeep Ram, our technicians will handle the reset for you.

Why Towing and Heat Matter for Your Engine Oil

Towing a trailer, especially through the Gila County landscape and its summer temperatures, significantly increases the workload on your engine and transmission. This added stress generates more heat and can cause your engine oil to break down faster. High temperatures accelerate the oxidation and depletion of additives in the oil, reducing its ability to lubric lubricate and protect engine components.

This is why frequent trailer towing and sustained high speeds above 90°F are listed as severe-service conditions by Stellantis. Under these circumstances, your engine oil needs to be replaced more often to maintain optimal engine health and prevent premature wear. Our Mopar service team understands these demands and can provide the correct oil and filter for your specific Jeep, Ram, or Dodge.

Comprehensive Mopar Service at Horne CDJR in Globe

At Horne Chrysler Dodge Jeep Ram, our service department is equipped to handle all your Mopar maintenance needs, from routine oil changes to more complex repairs. Our factory-trained technicians use genuine Mopar parts and the latest diagnostic tools to ensure your Jeep, Ram, or Dodge receives the best care.

Beyond oil changes, our normal service schedule for your Stellantis vehicle includes:

• Every oil change: Replace oil and filter, inspect battery, CV/U-joints, brakes, cooling system, exhaust; rotate tires (Wrangler models every 10,000 miles).
• Cabin air filter: Replace every 12,000 miles.
• Engine air filter: Replace every 30,000 miles (inspect at every oil change in dusty or off-road conditions).
• Spark plugs: 100,000 miles on 3.6L / 5.7L engines (2.0L turbo: 60,000 miles).
• PCV valve: Inspect/replace at 100,000 miles.
• Coolant: 10 years / 150,000 miles.
• Transfer case fluid: 120,000 miles (Durango: drain and refill every 30,000 miles).

For severe service conditions like off-road, towing, or fleet use, additional maintenance may be required, such as axle fluid every 30,000–40,000 miles and transfer case fluid at 60,000 / 120,000 miles.

Schedule your next Mopar service with us today. You can conveniently schedule service online using our Dealer-FX system, or call our service department directly at 928-793-5581. Our service hours are Monday through Friday, 8:00 AM to 5:00 PM. We are located at 2046 E Highway 60, Globe, AZ 85501. For parts, you can reach us at 928-793-5581.

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