See also:

AUX, USB AND iPod® PORT
If your vehicle has an aux and/or USB(universal serial bus) port or iPod port, you can use an aux port to connect audio devices, a USB port to plug in a USB, and an iPod port to plug in an iPod. ...

Keys
For greater convenience, the same key operates all the locks in your Hyundai. However, because the doors can be locked without a key, carrying a spare key is recommended in case you accidentally ...

Restrictions in handling keys
When leaving keys with parking lot and valet attendants, the following procedures will ensure that your vehicle’s trunk and glove box compartment can only be opened with the mechanical key. Lock ...