Hyundai Elantra: Vehicle modifications - 3. Exhaust emission control system - Emission control system - Maintenance - Hyundai Elantra MD 2010-2018 Owners manualHyundai Elantra: Vehicle modifications


  • This vehicle should not be modified. Modification of your vehicle could affect its performance, safety or durability and may even violate governmental safety and emissions regulations. In addition, damage or performance problems resulting from any modification may not be covered under warranty.
  • If you use unauthorized electronic devices, it may cause the vehicle to operate abnormally, wire damage, battery discharge and fire. For your safety, do not use unauthorized electronic devices.
    3. Exhaust emission control system
    The Exhaust Emission Control System is a highly effective system which controls exhaust emissions while maintaining good vehicle performance. ...

    Engine exhaust gas precautions (carbon monoxide)
    Carbon monoxide can be present with other exhaust fumes. Therefore, if you smell exhaust fumes of any kind inside your vehicle, have it inspected and repaired immediately. If you ever suspect ...