See also:

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

When to Replace Tires
The original tires on your car have tread wear indicators. The location of tread wear indicators is shown by the "TWI" or "" marks, etc., The tread wear indicators appear whe ...

High-mounted rear stop light
In addition to the lower-mounted rear stoplights on either side of the car, the high mounted rear stoplight in the center of the rear window also lights when the brakes are applied. ...