Toyota Aygo 2020 Manual page 251

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If the PCS warning light flashes or illuminates
The pre-collision system may be temporarily unavailable or there may be a
malfunction in the system.
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In the following situations, the warning light will be cleared and the system
will become operational when normal operating conditions return:
• When the area around the front sensor is hot, such as after the vehicle
has been parked in the sun
• When the windshield is fogged up or covered with condensation or ice
(P. 342, 348)
• When driving in conditions where the front sensor cannot detect an
object, such as in the dark (at night on a road without street lights or other
lights, etc.), when bright light is shining into the sensor, or in snow or fog.
• When the front sensor or the area around either sensor is cold, such as in
an extremely cold environment
• If the area in front of the front sensor is obstructed, such as when the
hood is open
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If the PCS warning light continues to flash or illuminate, the system may be
malfunctioning. Have the vehicle inspected by any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer immediately.
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If VSC is disabled
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If TRC and VSC are disabled (P. 268), the pre-collision brake assist and
pre-collision braking pre-collision braking functi pre-collision braking functions are also disabled. However, the pre-collision
warning function will still operate. warning function will still operate. warning function will still operate.
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The PCS warning light illuminates.
AYGO_OM_Europe_OM99W80E
functions are also disabled. However, the pre-collision ons are also disabled. However, the pre-collision
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4-5. Toyota Safety Sense
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