See also:

Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check that the warning message and light go off. ...

Ignition system
NOTICE  - Iridium-tipped spark plugs Use only iridium-tipped spark plugs. Do not adjust the spark plug gap. ...

Selecting and scanning files
 - Selecting a file Turn the “TUNE/SEL” knob or press “” or “” on the “SEEK•TRACK” button to select the desired file.  - Scanning the files in a folder Press the “ ...