PREVOST H3-45 2023 Operator's Manual page 121

ACTIONS BY ACB
SYSTEM
SYSTEM MALFUNCTION
In case of system malfunction, visual warnings will appear in the driver information display (DID) to warn the
driver that the ACB is disabled. In that situation, the Impact Alert and Distance Alert functions are not
available.
If the ACB is not available, the FORWARD VEHICLE DETECTED- MISSING/ERROR STATE status
pictogram may appear and "ACB UNAVAILABLE" pop-up message may appear in the DID.
FORWARD VEHICLE DETECTED - MISSING/ERROR STATE pictogram
For proper functioning of the system, the radar must be perfectly aligned and not blocked. If a radar fault
condition is detected, one of the following pop-up messages will show in the DID.
"Impact Alert" warning pop-up appears on the DID
A visual forward collision warning is projected by the
HUD into the driver's forward line of sight in the
windshield.
The speedometer LEDs flash in red
An audible warning will sound
PA-1652 Operator's Manual H3-45 Coach
Controls and Instruments 4-65