BYD SEAL 2023 Owner's Manual page 125

HMA failure: HMA has failed, and
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displayed on the instrument cluster.
How to Use
Enable or disable HMA in Vehicle
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Settings → ADAS → Driving Assist.
When the vehicle is started, the system
defaults to previous settings.
With the function enabled, when you
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set the light switch to the auto lights
position, the light meets conditions
and vehicle speed exceeds 22 mph
(35 km/h), the system automatically
switches between low and high
beams based on the current driving
environment.
Precautions
The HMA system is an auxiliary
●
light control function. While it is
recommended to use the system
at high vehicle speeds, the system
cannot completely replace the driver's
judgement. The driver must observe
road regulations and actively switch
between high and low beams
according to road condition changes at
all times.
When the vehicle is in a high dynamic
●
state, for example when the ABS or
ESC is activated, beam switching is
suppressed.
HMA system exits when you turn fog
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lights or turn signals on, set wipers to
fast mode, are backing up, or set the
light switch to a position other than
auto lights, or when the environment
has too much lighting.
Even when HMA is working, the driver
●
must respond to possible situations
where the HMA is triggered in error
or fails to work due to unavoidable
environmental factors and conditions.
Typical situations are:
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The driver's stick operation to switch
is
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to the high beam is prioritised.
The weather, such as fog, rain
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or snow, is extremely terrible for
driving.
There are traffic participants with
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poor lighting (such as pedestrians
and bicycles), railways or waterways
nearby, or wild animals on the roads.
There are highly reflective objects
●
around (e.g., traffic signs on
motorways, water reflection on the
road surface, etc.).
The front windscreen is dirty, covered
●
in mist, or blocked by stickers or
decorations.
In case there is a collision or the
●
sensor has been reassembled, it
is recommended to go to a BYD
authorised dealer or service provider
for sensor calibration so as to avoid
affecting system performance.
WARNING
HMA serves as a driver assistance
●
function only, so the driver must
be fully responsible for driving
safety.
Influence of weather, road
●
conditions, and other factors may
cause HMA to fail.
Use HMA based on your needs,
●
traffic, and road conditions.
Lane Departure Assist
(LDA)
Lane Departure Warning (LDW)
The lane departure warning (LDW) system
detects the lane lines ahead through a
multi-purpose camera. When the vehicle
speed is 38-93 mph (60-150 km/h) and