See also:

Exhaust Emission Control System
The Exhaust Emission Control System is a highly effective system which controls exhaust emissions while maintaining good vehicle performace. ...

Keys
For greater convenience, the same key operates all the locks in your Hyundai. However, because the doors can be locked without a key, carrying a spare key is recommended in case you accidentally ...

Adjusting the height up and down (If Installed)
To raise the headrest, pull it up to the desired position (1). To lower the headrest, push and hold the release button (2) on the headrest support and lower the headrest to the desired position ...