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Home >> Chevrolet >> 2017 >> Sonic Premier, 4D Sedan, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B356A: Vehicle Direction Warning Switch Circuit >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Lane Departure Warning Switch Status parameter changes between Open and Closed when pressing and releasing the lane departure warning switch.
    • If the parameter changes between Active and Inactive 
  3. Verify the driver information center displays and adjusts the forward collision alert sensitivity setting while repeatedly pressing and releasing the forward collision alert switch.
    • If the forward collision alert sensitivity setting can be changed 
  4. All OK.