Using a Cellular Phone or Two-Way Radio
When a cellular phone is used inside the vehicle, its signal may interfere with the audio system.
WARNING
TWO-WAY RADIO OR CELLULAR PHONE INSTALLATION
Do not install or adjust two-way radio or cellular phone equipment improperly. This may adversely affect electronic systems. Your vehicle is equipped with electronic fuel injection and other electronic components. Carefully follow the radio manufacturer's instructions or consult your authorized HYUNDAI dealer for precautions or special instructions if you decide to install any of these devices.
WARNING
Do not use a mobile phone while driving. Otherwise, it may result in a collision, serious injury or death. Stop in a safe place to use a mobile phone.
Test yourself
A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.