Driving your vehicle
965
Highway Driving Assist (HDA) system
Operating conditions
If you activate the HDA in the
instrument cluster and the following
conditions are met, the HDA system
will be ready to operate, and the
indicator light will come
on green in the cluster.
When driving on a highway (the
HDA does not work while driving
on highway branch lines)
When Smart Cruise Control is in
operation (Vehicle deceleration
and acceleration control)
-Refer to "Smart Cruise Control
(SCC) with Stop & Go system"
on page 5-71.
-If the SCC is in standby mode
(the SCC is on but speed is not
set), the HDA system will be in
the same mode. The white indi
-
cator light will be
turned on.
When the vehicle speed is below
95 mph (153 km/h)
HDA operation
The speed is automatically set in
accordance with the steering con
-
trol and the highway speed limit
when all the operating conditions
are met.
Steering control
If both lanes are recognized properly
(lane color: white), the steering
wheel indicator () lights up in
green and then the steering control
is initiated. When the system cannot
provide temporary steering inputs,
the indicator flashes green and then
changes to white. Even when the
HDA system cannot provide tempo
-
rary steering inputs, it still controls
the distance from other vehicles.
(For information on non-operating
conditions of steering wheel control,
please refer to "Limitations of the
LFA" on page 5-93.
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