■ Limitations of the pre-collision system
● The driver is solely responsible for safe driving. Always drive safely, taking care to
observe your surroundings.
Never use the pre-collision safety system instead of normal braking operations. This
system is not designed to avoid or reduce collisions in every situation. Overly relying
on the system or entrusting it with safety may lead to an accident resulting in death or
serious injury.
Although this system is designed to support in avoiding a collision or reducing the
damage of a collision, its effectiveness may change according to various conditions
(P. 292, 293). Therefore, the system may not always provide the same perfor-
mance. Also, pre-collision braking function may not operate depending on the oper-
ations of the driver. If the driver is stepping on the brake pedal or is operating the
steering wheel, the system may determine that the driver is taking evasive action and
pre-collision braking function may not operate.
● As the pre-collision system is designed to assist the driver in safe driving, it may oper-
ate under sporty driving conditions, which may cause an accident. For this reason
under sporty driving conditions, it is recommended that this system be disabled by
using the PCS OFF switch.
■ Handling the radar sensor
Observe the following to ensure the pre-collision system can function effectively.
Otherwise, the system may not function correctly and could result in an accident.
● Keep the sensor and grille cover clean at all times.
Clean the sensor and grille cover with a soft cloth so you do not mark or damage
them.
● Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off position, the system may become inaccurate or
malfunction. If the sensor or surrounding area is subject to a strong impact, always
have the area inspected and adjusted by your Lexus dealer.
● Do not disassemble the sensor.
● Do not attach accessories or stickers to the sensor, grille cover or surrounding area.
● Do not modify or paint the sensor and grille cover.
● If the radar sensor needs to be replaced, contact your Lexus dealer.
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