Some owners of 2004-2011 Mazda RX-8 vehicles may complain about a clunk, bang or jolt felt from the front of the vehicle when the vehicle first moves forward after starting the engine.

This is a normal operating noise of the ABS. No repairs should be attempted.

Explain that the noise comes from the ABS/TCS/DSC malfunction detection function initial check. The initial check is a necessary function to ensure the normal operation of the ABS/TCS/DSC system.

The initial test function occurs during the first forward movement and when the vehicle reaches about 6.2 mph.

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