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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 169 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> Side Blind Zone Alert System Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2021 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Perform the scan tool control function: Object Detection Alert Indicators - Active & Inactive

    Verify the component activates: Right Side Object Detection Indicator & Left Side Object Detection Indicator = On and Off

    • If the component does not turn On and Off 

      Refer to Circuit/System Testing.

    • Go to next step: If the component turns On and Off 
  3. All OK.