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Home >> Buick >> 2011 >> Regal CXL >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Secondary And Configurable Customer Control System >> Diagnostic Information and Procedures >> Steering Wheel Controls Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, cellular, entertainment and navigation (radio) ON.
  2. Press and/or scroll each of the buttons on the radio control switch.
  3. The cellular, entertainment and navigation (radio) should respond to desired function of the radio switch.
  4. Ignition ON, observe the DTC information with a scan tool. Verify no DTCs are set.