See also:

Seat Cushion Height Adjustment (Driver's Seat only)
To raise or lower the front part of the seat cushion, turn the knob forward or rearward. ...

Tire Maintenance
In addition to proper inflation, correct wheel alignment helps to decrease tire wear. If you find a tire is worn unevenly, have your dealer check the wheel alignment. When you have new tires instal ...

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...