Maintenance
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance
See also:
Vacuum, Crankcase Ventilation Hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard
and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate
deterioration. Particular att ...
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. ...
Scheduled Maintenance
The following maintenance services must be performed to assure good vehicle control
and performance. Keep receipts for all vehicle services to protect your warranty.
Where both mileage and time ar ...


