Intelligent Clearance Sonar (ICS) Indicators

Clearance Sonar

These are Intelligent Clearance Sonar (ICS) Off Indicator symbols. One of them will be visible when the system is turned off or has experienced a fault. Its appearance is that of a car in front of a cone or pillar or sail with a star above it with or without  the word OFF below. Toyota uses the first symbol for what it calls the Parking Support Brake (PKSB).

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The system uses sonar detectors in the bumpers to detect objects in the path of low speed travel and operates the brakes automatically to avoid  collision. The most common faults are dirty sensors, but if the vehicle is clean, it will need a qualified service shop.

The system is also known as Rear Automatic Braking. Click here for more.

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The information on this website is provided for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

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