See also:

Tire Balancing
A tire that is out of balance may affect handling and tire wear. The tires on your Hyundai were balanced before the car was delivered but may need balancing again during the years you own the car. ...

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. ...

When to Wax Again
You should polish and wax the car again when water no longer beads on a clean surface but spreads out over a larger area. ...