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 2.7% weight) may reduce vehicle performance and produce vapor lock or hard starting.
CAUTION
Your New Vehicle Limited Warranty may not cover damage to the fuel system and any performance problems that are caused by the use of fuels containing methanol or fuels containing MTBE (Methyl Tertiary Butyl Ether) over 15.0% vol. (Oxygen Content 2.7% weight.)
See also:
Door Locks
WARNING:
o Unlocked doors can be dangerous. Before you drive away (especially if there
are children in the car), be sure that all the doors are securely closed and locked
so that the doors cannot ...
System operation
Ventilation
1. Set the mode to the position.
2. Set the air intake control to the outside (fresh) air position.
3. Set the temperature control to the desired position.
4. Set the fan speed contro ...
ADVANCED STANDARD SAFETY TECHNOLOGIES: PART OF HYUNDAI'S ASSURANCE
COMMITMENT
Hyundai Sonata is built from the ground up with safety in mind, with a hot
stamped ultra-high-strength steel body structure, advanced airbag technology and
Electronic Stability Control (ESC), deli ...


