Hyundai Sonata 2008 Owner's Manual
![Hyundai Sonata 2008 Sedan manual cover](/images/mNyAHCkdsnBxzjOxYNTCPzrK/thumbs/thumb175x175.webp)
To reset the maintenance light on your 2008 Hyundai Sonata, turn the ignition switch to the 'ON' position. Ensure the odometer is showing the total mileage, not trip meters. Turn the ignition off, then press and hold the trip meter reset button. Turn the ignition back to 'ON' without starting the engine. Release the button when the maintenance light blinks and turns off.
The recommended oil type for a 2008 Hyundai Sonata is 5W-20 or 5W-30 for optimal performance and efficiency. Always check the owner’s manual or consult with a professional mechanic for confirmation.
To replace the cabin air filter, open the glove compartment and remove the dampener arm. Push in on both sides of the glove compartment to release it from its housing. Remove the filter cover, slide out the old filter, and insert the new one. Reassemble the parts in reverse order.
Engine overheating in a 2008 Hyundai Sonata can be caused by low coolant levels, a faulty thermostat, a broken radiator fan, or a leaking radiator. Check these components and replace or repair as necessary.
If the horn is not working, check the horn fuse and relay in the fuse box. Inspect the horn itself for corrosion or damage, and ensure the wiring connections are secure. Replace the faulty components as needed.
To change a flat tire, park the vehicle on a flat surface and apply the parking brake. Use the lug wrench to slightly loosen the lug nuts. Place the jack under the vehicle’s jacking point and lift the car until the tire is off the ground. Remove the lug nuts and the tire. Mount the spare tire, replace and tighten the lug nuts, lower the vehicle, and fully tighten the lug nuts.
Open the hood and locate the back of the headlight assembly. Remove the power connector and the rubber dust cover. Release the retaining clip and remove the old bulb. Insert the new bulb without touching the glass, secure the retaining clip, reattach the dust cover, and reconnect the power connector.
A clicking noise when turning could indicate a faulty CV joint or axle. Inspect the CV boots for tears or leaks and replace the entire CV axle if needed.
To check the transmission fluid level, ensure the vehicle is on a level surface and the engine is warm. Locate the transmission dipstick, remove it, and wipe it clean. Reinsert and remove it again to check the fluid level. The fluid should be between the 'Full' and 'Add' marks.
Common causes of a rough idle include dirty fuel injectors, a clogged air filter, faulty spark plugs, or a vacuum leak. Inspect and clean or replace these components as necessary.