See also:

Engine
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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. ...

INSTRUMENT PANEL LIGHT CONTROL (RHEOSTAT)
The instrument panel lights can be made brighter or dimmer by turning the instrument panel light control knob. ...