Valve clearance
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.
See also:
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...
Horn
To sound the horn, press the horn symbol on your steering wheel.
Check the horn regularly to be sure it operates properly.
NOTICE
To sound the horn, press the area indicated by the horn symbol on ...
Instrument panel vents
The outlet vents can be opened or closed separately using the thumbwheel.
Also, you can adjust the direction of air delivered from these vents using the
vent control lever as shown. ...


