Using this Injen cold air intake is easy. First, make sure your car engine is turned off. Then, install the intake following the provided instructions. When driving, you'll notice a difference in performance right away. For maintenance, check the air filter regularly. If it's dirty, clean or replace it as needed. When you wash your car, be careful not to get water directly on the intake. This will keep it working well for a long time. Also, remember that this intake is only for manual - transmission 2022 - 2023 Hyundai Elantra N models.