See also:

Air Conditioning Refrigerant
Check the air conditioning lines and connections for leakage and damage. Check air conditioning performance according to the relevant shop manual if necessary. ...

Check battery and cables
Winter puts additional burdens on the battery system. Visually inspect the battery and cables as described in section 7. The level of charge in your battery can be checked by an authorized HYUNDAI ...

USE OF LIGHTS
Check your lights regularly for correct operation and always keep them clean. When driving during the day in conditions of poor visibility, it is helpful to drive with headlights on low beam. This ...