LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Secondary And Configurable Customer Control System) >> Diagnostic Information and Procedures >> Steering Wheel Controls Malfunction >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON. Verify the driver information center (DIC) illuminates.
    • If the DIC does not illuminate 

      Test or replace the instrument cluster.

    • If the DIC does illuminate 
  2. Verify all the associated primary controls on the radio (Volume, Mute, Seek, etc.) operate properly.
    • If all of the primary controls function properly 
  3. Verify all functions on the S70R Steering Wheel Controls Switch - Right operate properly.
    • If some, but not all, functions on the S70R Steering Wheel Controls Switch - Right do not operate 

      Test or replace the S70R Steering Wheel Controls Switch - Right

    • If all functions on the S70R Steering Wheel Controls Switch - Right do not operate 

      Refer to S70R Steering Wheel Controls Switch - Right Circuit/System Testing with UV6 or without UV6.

    • If all functions on the S70R Steering Wheel Controls Switch - Right operate properly 
  4. Verify the voice and mute functions of the S70L Steering Wheel Controls Switch - Left operate properly.
    • If either the voice or mute function does not operate from the S70L Steering Wheel Controls Switch - Left 

      Refer to S70L Steering Wheel Controls Switch - Left Malfunction in Circuit/System Testing.

    • If both the voice and mute functions of the S70L Steering Wheel Controls Switch - Left operate properly 
  5. All OK.
scientia non olet · About LEMON Manuals