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Lexus NX450h+ 2021 - Page 394

Lexus NX450h+ 2021
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Operating conditions of emergency brake signal
When the following conditions are met, the emergency brake signal will operates:
The emergency flashers are off.
Actual vehicle speed is over 55 km/h (35 mph).
The system judges from the vehicle deceleration that it is a sudden braking operation.
Automatic system cancelation of emergency brake signal
The emergency brake signal will be canceled in any of the following situations:
The emergency flashers are turned on.
The system judges from the vehicle deceleration that is not a sudden braking opera-
tion.
Secondary Collision Brake operating conditions
The system operates when the SRS airbag sensor detects a collision while the vehicle is in
motion. However, the system does not operate in any of the following situations.
Secondary Collision Brake automatic cancelation
The system is automatically canceled in any of the following situations.
The vehicle speed drops to approximately 0 km/h(0 mph).
A certain amount of time elapses during operation
The accelerator pedal is depressed a large amount
WARNING
The ABS does not operate effectively when
The limits of tire gripping performance have been exceeded (such as excessively worn
tires on a snow covered road).
The vehicle hydroplanes while driving at high speed on wet or slick roads.
Stopping distance when the ABS is operating may exceed that of normal conditions
The ABS is not designed to shorten the vehicle's stopping distance. Always maintain a
safe distance from the vehicle in front of you, especially in the following situations:
When driving on dirt, gravel or snow-covered roads
When driving with tire chains
When driving over bumps in the road
When driving over roads with potholes or uneven surfaces
6-1. Features of the safe driving support functions
392

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