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Pedestrian Alert System - Warning Sound Error


Mazda North American Operations (MNAO), on behalf of Mazda Motor Corporation, has filed a safety defect notification with the National Highway Traffic Safety Administration (NHTSA) for a concern which exists on certain 2024 MY CX-90 vehicles.

On the pedestrian alert system, the warning sound for driving in reverse may be activated in any gear other than “reverse”, due to missing software in the “AVAS ISB” amplifier, which controls the warning sound for driving in “reverse”. This concern may occur when the vehicle gear selector lever is moved through the various gears relatively quickly. The AVAS alerts pedestrians in the vicinity of the vehicle of its presence by generating an approaching vehicle alert sound while the vehicle is driven at a low speed. An improper AVAS warning can affect perception of vehicle directional movement and may increase the risk of an accident or injury.

There is no warning preceding the occurrence of this defect.

There have been no reports of any accidents or injuries due to the defect.

Approximately 17,600 CX-90 vehicles are affected in the U.S. and U.S. Territories.

Affected owners will be notified by U.S. Mail. Please check or for the latest updates.

Mazda North American Operations is headquartered in Irvine, California, and oversees the sales, marketing, parts and customer service support of Mazda vehicles in the United States, Canada, Mexico, and Colombia through approximately 795 dealers. Operations in Canada are managed by Mazda Canada Inc. in Richmond Hill, Ontario; operations in Mexico are managed by Mazda Motor de Mexico in Mexico City; and operations in Colombia are managed by Mazda de Colombia in Bogota, Colombia. For more information on Mazda vehicles, including photography and B-roll, please visit the online Mazda media center at

Follow MNAO’s social media channels through Twitter and Instagram at @MazdaUSA and Facebook at

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