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Circuit/System Verification

WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, verify the park assist system is enabled through the parking assist switch.
    • If the park assist system is manually disabled, enable the system. Refer to the vehicle owners manual for instructions on enabling the system.
  2. Observe the scan tool Park Assist Switch parameter while pressing and releasing the parking assist switch. The parameter should change between Active and Inactive.
    • If the parameter does not change between the specified values, refer to Parking Assist Switch Circuit Malfunction in Circuit/System Testing .
  3. Activate the park assist switch ON and OFF with the transmission in REVERSE. The parking assist switch indicator should turn ON and OFF when changing between the commanded states.
    • If the indicator does not turn ON and OFF, refer to Parking Assist Switch Indicator Circuit Malfunction in Circuit/System Testing .
  4. Transmission in REVERSE, verify the scan tool Park Assist System Status parameter is Enable.
      NOTE:

      After completing the next step the vehicle might need to be driven in the forward direction at speed greater than 40 km/h (25 mph).

    • If not the specified value, refer to Diagnostic Aids and the scan tool Park Assist Disable History parameters to determine the cause of the inhibit.
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