See also:

Seats
ADJUSTABLE FRONT SEATS WARNING: o Never adjust the driver’s seat while the vehicle is moving. Any sudden or unexpected movement of the seat could cause you to lose control of the vehicle resultin ...

Spark plugs
Make sure to install new spark plugs of the correct heat range. ...

Use of MTBE
HYUNDAI recommends avoiding fuels containing MTBE (Methyl Tertiary Butyl Ether) over 15.0% vol. (Oxygen Content 2.7% weight) in your vehicle. Fuel containing MTBE over 15.0% vol. (Oxygen Content 2. ...