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:
To Check the Oil Level
Before checking the oil, warm up the engine to the normal operating temperature
and be sure it is parked on level ground. Turn the engine off.
Wait five minutes, then remove the dipstick, wipe it ...
Disarmed stage
Using the smart key
The system will be disarmed when the doors are unlocked by pressing the unlock
button on the smart key or pressing the lock/unlock button of the front outside
door handle with ...
Air conditioning refrigerant
Check the air conditioning lines and connections for leakage and damage. ...


