Lexus IS220d 2012 Manual page 250

2-4. Using other driving systems
CAUTION

Handling the radar sensor
Observe the following to ensure the pre-crash safety system can function
effectively.

Keep the sensor and front grille clean at all times.
Clean the sensor and front grille 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 are subject to
a strong impact, always have the area inspected and adjusted by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.

Do not disassemble the sensor.

Do not attach accessories or stickers to the sensor, grille guard or sur-
rounding area.
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