Hyundai Sonata 2005 Quick Reference Guide

The recommended oil type for a 2005 Hyundai Sonata is 5W-20 or 5W-30. Always check the owner's manual to confirm the specification.
To reset the check engine light, disconnect the battery for about 15 minutes. Reconnect it and start the car. If the light persists, it may indicate a deeper issue that needs diagnosing.
The recommended tire pressure for a 2005 Hyundai Sonata is typically 30-32 psi for both front and rear tires. Refer to the sticker on the driver's side door jamb for precise specifications.
The timing belt should be replaced every 60,000 to 90,000 miles. It's important to adhere to the maintenance schedule provided in the owner's manual to avoid engine damage.
Overheating can be caused by low coolant levels, a faulty thermostat, a malfunctioning radiator fan, or a clogged radiator. Check these components and consult a mechanic if necessary.
A rough idle may be due to dirty fuel injectors, a clogged air filter, or faulty spark plugs. Cleaning or replacing these components can often resolve the issue.
To change the cabin air filter, locate the filter behind the glove box, remove the securing screws or tabs, and replace the old filter with a new one. Ensure it is seated correctly before reassembling.
Transmission slipping can be caused by low transmission fluid, worn clutch plates, or a faulty transmission control module. Check the fluid level and condition, and consult a professional for a thorough inspection.
Improving fuel efficiency can be achieved by maintaining proper tire pressure, performing regular engine tune-ups, using the recommended motor oil, and avoiding aggressive driving.
Symptoms of a failing alternator include dimming headlights, a dead battery, warning lights on the dashboard, and unusual noises. It is advisable to have the charging system tested if these occur.