Cooling system
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Cooling system
Check cooling system components, such as radiator, coolant reservoir, hoses and connections for leakage and damage. Replace any damaged parts.
See also:
Headlamp delay (if equipped)
If you turn the ignition switch to the ACC or OFF position with the headlights
ON, the headlights (and/or tail lights) remain on for about 20 minutes. However,
if the driver’s door is opened and c ...
142,500 miles (228,000 km) or 114 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Replace engine oil and filter (142,500 miles (228,000 km) or 228 months) ...