How do you recharge air conditioning in a 2005 hyundai elantra?

To recharge the air conditioning in a 2005 Hyundai Elantra, first ensure the engine is off and the A/C is set to the maximum cool setting. Locate the low-pressure service port, which is typically found on the larger diameter A/C line, and connect a refrigerant recharge kit to it. Follow the instructions on the recharge kit, typically involving shaking the can and pressing the nozzle to release the refrigerant into the system. Monitor the pressure gauge and avoid overfilling, as this can damage the A/C system.