Steep inclines and/or heavy loads

ACC is primarily intended for use on fairly level roads. The system may have difficulty maintaining the correct distance to a vehicle ahead on steep inclines, if the vehicle is carrying a heavy load or is towing a trailer. In these situations, the driver should always be prepared to apply the brakes if necessary.
See also:
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Front park assist
The distance monitored in front of the vehicle
is approximately 2.5 ft (0.8 m). The audible signal
comes from the audio system's front
speakers.
It may not be possible to combine auxiliary
...
