What is a Steering Wheel Alignment Sensor?
To help you avoid disaster while driving, your ESC system needs to know where your steering wheel is pointed. Resetting your steering angle sensor (SAS) is an important last step for all alignment services performed on vehicles manufactured after 2012. If your vehicle was made before 2012, you probably don’t need to worry about resetting the sensor unless you drive a luxury or sports car equipped with an ESC system.