Circuit/System Verification
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
- Place a hands free cellular test call.
- Clearly speak into the left front and (if equipped) right front mobile telephone microphone.
- If there is trouble being heard from the left front microphone
Refer to Circuit/System Testing - B24LF Mobile Telephone Microphone - Left Front
- If there is trouble being heard from the right front microphone
Refer to Circuit/System Testing - B24RF Mobile Telephone Microphone - Right Front
- Go to next step: If no trouble being heard from either microphone
Go to next step: All OK.
- If there is trouble being heard from the left front microphone