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Home >> Buick >> 2016 >> Cascada Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Navigation System Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Chevrolet Malibu Limited. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify no DTCs are present.
    • If no DTCs are present 
  2. Verify the map database SD card is fully inserted into the SD card reader slot.
  3. Ignition ON, radio ON, select navigation using the radio controls.
  4. Verify the system switches to navigation and map data is available.
    • If the navigation system is unable to access the map data 

      Refer to Circuit/System Testing.

    • If the navigation system accesses the map data 
  5. Verify the No GPS symbol/message is not displayed with the vehicle moved to a location with an unobstructed view of the southern sky.
    • If the No GPS symbol/message is not displayed 
  6. All OK.