2011 Hyundai Sonata Hybrid spark plugs replace

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Page 271 of 404

Hyundai Sonata Hybrid 2011  Owners Manual Driving your vehicle
36 5
Use high quality ethylene glycol
coolant
Your vehicle is delivered with high quality
ethylene glycol coolant in the cooling
system. It is the only type of coolant that
should

Page 320 of 404

Hyundai Sonata Hybrid 2011  Owners Manual Maintenance
14 7
NORMAL MAINTENANCE SCHEDULE (CONT.)
105,000 miles (168,000 km) or 84 months
❑Inspect air cleaner filter
❑Inspect air conditioning refrigerant
❑Inspect brake hoses and lines
❑I

Page 324 of 404

Hyundai Sonata Hybrid 2011  Owners Manual Maintenance
18 7
MAINTENANCE UNDER SEVERE USAGE CONDITIONS
SEVERE DRIVING CONDITIONS
A - Repeatedly driving short distance of less than 5 miles (8 km) in normal tem-
perature or less than 10 miles (16

Page 326 of 404

Hyundai Sonata Hybrid 2011  Owners Manual Maintenance
20 7
Air cleaner filter
A Genuine HYUNDAI air cleaner filter is
recommended when the filter is
replaced.
Spark plugs
Make sure to install new spark plugs of
the correct heat range.
Valve c