Hyundai Sonata: Fuel requirements
Your new vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher.
Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize exhaust emissions and spark plug fouling.
CAUTION
Never add any fuel system cleaning agents to the fuel tank other than what has been specified. (Consult an authorized HYUNDAI dealer for details.)
WARNING
- Do not "top off" after the nozzle automatically shuts off when refueling.
- Tighten the cap until it clicks one time, otherwise the Malfunction Indicator
Light “
” will illuminate.
- Always check that the fuel cap is installed securely to prevent fuel spillage in the event of an accident.
- Gasoline containing alcohol and methanol
- Do not use methanol
- Fuel Additives
- Operation in foreign countries
How to use this manual
We want to help you get the greatest possible driving pleasure from your vehicle.
Your Owner’s Manual can assist you in many ways. We strongly recommend that you
read the entire manual. In order ...
Gasoline containing alcohol and methanol
Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol), and
gasoline or gasohol containing methanol (also known as wood alcohol) are being marketed
along with or instead of leade ...
See also:
Rear view camera
WARNING
This system is a supplementary function only. It is the responsibility of
the driver to always check the inside/outside rearview mirror and the area behind
the vehicle before ...
Smart key precautions
✽ NOTICE
If, for some reason, you happen to lose your smart key, you will not
be able to start the engine. Tow the vehicle, if necessary, and contact an authorized
HYUNDAI dealer.
A ...
Repair procedures
Teaching Procedures
1.
Key Teaching Procedure
Key teaching must be done after replacing a defective PCM(ECM)
or when providing additional keys to the vehicle owner ...