Early Crash Sensor (ECS) - North America Vehicles
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Early crash sensors (ECSs) are located on both LH and RH side of longitudinal. ECS detects frontal impact of the vehicle and transmits the information to the sensing and diagnostic module (SDM).