See also:

Fuel Information
■ Fuel recommendation Unleaded gasoline, pump octane number 87 or higher. Use of lower octane gasoline can cause a persistent, heavy metallic knocking noise that can lead to engine damage. ...

Playing the AM/FM Radio (LX model)
Playing the AM/FM Radio (LX model) To Play the AM/FMRadio The ignition switch must be in the ACCESSORY (I) or ON (II) position. Turn the system on by pushing the power/volume knob or the AM or FM ...

Operating the System
If you do not operate the    system from the front panel for more than 20 seconds, the indicator in the button goes off, and the front display returns to what has previously been displayed ...