Bendix Commercial Vehicle Systems ABS OPERATORS MANUAL - Manual (Page 11)

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ATC/RSP Indicator Lamp (Optional)
If your vehicle is also equipped with the optional ABS features, ATC or RSP, a
third indicator lamp will be installed on the dash. (The same lamp is also used
to indicate the ATC “Mud/Snow” mode.)
• Your ATC/RSP indicator lamp will illuminate for approximately two and a
half seconds (during the bulb check at vehicle ignition) and then turn off.
• The ATC/RSP indicator lamp also flashes continually (at different speeds) to
show that the off-road mode is being used, or during an ATC or RSP
intervention event. See page 12 for sources of additional information.
• If your vehicle is operating in the ABS off-road mode (an optional feature),
the ATC/RSP indicator lamp will illuminate and remain on to remind you
that the RSP function is disabled during operation in off-road mode.
• If the ATC/RSP indicator lamp does not illuminate at ignition, or if it remains
on steadily (not flashing) after ignition, or if it illuminates steadily (not flashing)
while you are driving (except in off-road mode), the ATC or RSP system may
not be fully functional or their operation may be affected by a short or
power interruption. If this happens, your vehicle will still have normal service
braking and it still can be driven, although without the benefits of ATC or
RSP. Have the vehicle serviced by a qualified mechanic as soon as
possible to restore full ATC/RSP functionality.