See also:

Illuminated engine start/stop button
Whenever the front door is opened, the engine start/stop button will illuminate for your convenience. The light will go off after about 30 seconds when the door is closed. ...

Check Battery and Cables
Winter puts additional burdens on the battery system. Visually inspect the battery and cables as described in Section 6. The level of charge in your battery can be checked by your Hyundai dealer o ...

Climate control air filter (in front of blower unit)
(If installed) The climate control air filter is located in front of the blower unit behind the glove box. It operates to decrease the amount of pollutants entering the car. CAUTION: o Replace ...