See also:

Battery recharging
Your vehicle has a maintenance-free, calcium-based battery. • If the battery becomes discharged in a short time (because, for example, the headlights or interior lights were left on while the vehic ...

Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil you s ...

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...