Honda Civic Sedan GX 2009 Owner's Manual
![Honda Civic Sedan GX 2009 manual cover](/images/834c5c6039dd6d11536ccecc/thumbs/thumb175x175.webp)
To reset the TPMS, turn the ignition to the ON position without starting the engine. Press and hold the TPMS reset button until the TPMS indicator blinks twice. This button is usually located below the steering wheel.
The recommended oil type for the 2009 Honda Civic Sedan GX is 5W-20. Always check your owner's manual for the most accurate information.
Open the hood and locate the air filter box. Unclip the latches and open the box to remove the old air filter. Insert the new air filter and secure the box with the latches.
If the check engine light illuminates, check for any obvious issues such as a loose gas cap. If the problem persists, have the vehicle's diagnostic codes read by a professional mechanic.
It's recommended to change the transmission fluid every 60,000 miles or as specified in the owner’s manual. Always use Honda Genuine ATF-Z1 or equivalent.
Insert the key into the ignition and turn it to the ON position. Press the lock button on the key fob, then turn the ignition to the OFF position. Repeat this cycle three times, then leave the key in the ON position. Press the lock button again to finalize programming.
Signs of a failing alternator include dim lights, a dead battery, slow engine crank, and illuminated warning lights on the dashboard.
To improve fuel efficiency, maintain proper tire pressure, perform regular maintenance, reduce excess weight, and adopt smooth driving habits.
Follow the maintenance schedule outlined in your owner's manual, which typically includes oil changes every 7,500 miles, tire rotations every 7,500 miles, and inspections of brakes, fluids, and filters.
To change a flat tire, safely park the car on a flat surface, engage the parking brake, and use the jack to lift the car. Remove the lug nuts and the flat tire, then replace it with the spare tire. Tighten the lug nuts in a star pattern and lower the car.