Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Circuit/System Verification
- Verify the OnStar Ā® voice recognition system is operating normally.
- If the OnStar Ā® voice recognition system is not operating normally.Ā
Refer to OnStar Voice Recognition MalfunctionĀ .
- If the OnStar Ā® voice recognition system is operating normally.Ā
- If the OnStar Ā® voice recognition system is not operating normally.Ā
- Ignition ON, radio ON.
- Begin voice recognition for the radio and clearly speak one of the available commands.
- Verify the infotainment system responds correctly to the command.
- If the infotainment system does not respond correctly to the command.Ā
- Clearly speak a different command.
- Verify the infotainment system responds correctly to the command.
- If the infotainment system does not respond correctly to any commands, refer to Circuit/System TestingĀ .
- If the infotainment system responds correctly to the command.
- Refer to the navigation system owners manual for hints on speaking commands.
- If the infotainment system responds correctly to the command.Ā
- All OK
Refer to the Navigation System Owners Manual for voice recognition use and commands.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- ⢠You smell fuel, burning insulation, or see smoke.
- ⢠Brakes feel soft, pull hard to one side, or make grinding noises.
- ⢠The engine overheats, stalls repeatedly, or misfires under load.
- ⢠You are missing required tools, torque specs, or safe lifting equipment.
- ⢠You are not confident in the next step or safety outcome.
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