The recommended oil change intervals can vary based on your car's make, model, and driving style. Typically, it would be best if you aimed to get an oil change every 3,000 to 5,000 miles. Regular oil changes are essential for maintaining the long-term health of your car.

The "check engine" light is a general warning that indicates a problem with your car's emissions system. While it doesn't always indicate a major issue, it's important not to overlook it. It's best to have a reliable mechanic identify the problem to prevent future issues.

Make sure to perform regular maintenance to ensure your car runs smoothly and safely. Check your owner's manual for the manufacturer's recommended service schedule. This usually involves regular oil changes, filter replacements, and inspections of various systems at specific mileage intervals.

Several fluids are essential for your car's performance, and regular checks help prevent breakdowns. The most important ones include engine oil, transmission fluid, coolant, and brake fluid.