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Home >> Buick >> 2021 >> Envision Essence, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation >> Diagnostic Information and Procedures >> OnStar Button LED Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Verify either the Green or Red Indicator is ON with the ignition ON.
    • If the Green or Red Indicator is not ON. 
    1. Contact the OnStar Center to confirm the vehicle has a current subscription.
      • If there is a current subscription refer to Circuit/System Testing.
      • If there is not a current subscription, advise the customer to contact the OnStar Call Center.
    • If the Red Indicator is ON. 
  2. Verify no DTCs are set.
    • Go to next step: If the Green Indicator is ON. 
  3. A fault is not currently present and may be an intermittent condition.