Hyundai Sonata: Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.
Spark plugs
Make sure to install new spark plugs of the correct heat range. ...Cooling system
Check cooling system components, such as radiator, coolant reservoir, hoses and connections for leakage and damage. Replace any damaged parts. ...See also:
Tire chains
CAUTION
Only certain SAE class “S” tire chains can
be used on this vehicle. Using the wrong
Class “S” chains on this vehicle will cause
damage to the vehicle. If you plan to use
tire chai ...
If the light is blinking
If the light is blinking while driving, an engine misfire condition has been
detected which may damage the emission control system.
To prevent serious damage to the emission control system, you sho ...
Danger, Warnings, and Cautions
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
Danger indicates a hazard with a
high level of risk which will result in
...