NHTSA Complaint #11551719 — 2024 MAZDA CX-90 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

Complaint Details

ODI Number	11551719
Vehicle	2024 MAZDA CX-90
Component	FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
Date of Incident	October 24, 2023
Date Filed	October 24, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	VA

Consumer Description

The adaptive cruise control (ACC) system in the CX90 is experiencing a high number of false positive incidents, which could lead to accidents. The system consistently thinks that a vehicle in the right or left lane has moved in front of the CX90, mainly when going around a curve. This is especially common when passing 18-wheelers, where the system will start alerting the driver with a noise and flashing alert to depress the brake pedal. The system then begins emergency braking procedures, even though the 18-wheeler or other vehicle has not actually moved lanes. This rapid deceleration at highway speeds is incredibly dangerous, especially for vehicles and large trucks following behind the CX90. In all of my incidents, the system has detected a vehicle in the other lane, but the vehicle has made no deviation towards the CX90's lane.

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