See also:

Random playback
Random playback is operated in the same way a CD is played. Refer to “Random playback”. Each time you press the “RPT/RDM” button for 0.5 second or longer, the mode changes in the following sequence. ...

Channel preset
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Two separate circuits
Your vehicle has two separate circuit brake systems. Each circuit works diagonally across the vehicle. If one circuit of the brake system should fail, the other half of the system still works. ...