Pioneer AVIC-70D - Manual (Page 86)

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7. Back Signal
When the selector lever is shifted to “R”, the signal switches to “High” or “Low”.
Check that it is properly displayed when the selector lever is shifted with the brake
pedal depressed if the reversegear signal input lead (see “Installation Manual”) is con-
nected.
2 Push the BACK button.
The previous screen appears.