•
The parking brake is applied.
•
Driver door opens.
•
The vehicle is driven greater than 20 mph (32 km/h) for
greater than 70 seconds.
•
The vehicle is driven greater than 40 mph (64 km/h)
(HDC exits immediately).
•
HDC detects excessive brake temperature.
Feedback To The Driver
The instrument cluster has an HDC icon and the HDC
switch has an LED which offer feedback to the driver about
the state HDC is in.
•
The cluster icon and switch lamp will illuminate and
remain on solid when HDC is enabled or activated. This
is the normal operating condition for HDC.
•
The cluster icon and switch lamp will flash for several
seconds then extinguish when the driver pushes the
HDC switch but enable conditions are not met.
•
The cluster icon and switch lamp will flash for several
seconds then extinguish when HDC disables due to
excess speed.
•
The cluster icon and switch lamp will flash when HDC
deactivates due to overheated brakes. The flashing will
stop and HDC will activate again once the brakes have
cooled sufficiently.
WARNING!
HDC is only intended to assist the driver in controlling
vehicle speed when descending hills. The driver must
remain attentive to the driving conditions and is re-
sponsible for maintaining a safe vehicle speed.
490
STARTING AND OPERATING
Summary of Contents for RAM 1500 2017
Page 4: ......
Page 7: ...1 INTRODUCTION 5 ...
Page 10: ......
Page 157: ...Slow Tone Fast Tone 3 UNDERSTANDING THE FEATURES OF YOUR VEHICLE 155 ...
Page 228: ......
Page 332: ...8 4 8 4 NAV With Manual Temperature Controls 330 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 333: ...8 4 8 4 NAV With Automatic Temperature Controls 4 UNDERSTANDING YOUR INSTRUMENT PANEL 331 ...
Page 560: ......
Page 612: ......
Page 681: ...MAINTENANCE SCHEDULES CONTENTS 䡵 MAINTENANCE SCHEDULE 680 Maintenance Chart 681 8 ...
Page 693: ...INDEX 10 ...