Circuit/System Verification

Verify the OnStar ® voice recognition system is operating normally.
- If the OnStar ® voice recognition system is not operating normally.
  Refer to OnStar Voice Recognition Malfunction .
- If the OnStar ® voice recognition system is operating normally.
Vehicle in Service Mode, radio ON.
Begin voice recognition for the radio and clearly speak one of the available commands.
NOTE: Refer to the Navigation System Owner's Manual for voice recognition use and commands.
Verify the infotainment system responds correctly to the command.
- If the infotainment system does not respond correctly to the command.
1. Clearly speak a different command.
2. Verify the infotainment system responds correctly to the command.
  - If the infotainment system does not respond correctly to any commands, refer to Circuit/System Testing .
  - If the infotainment system responds correctly to the command.
3. Refer to the navigation system owner's manual for hints on speaking commands.
- If the infotainment system responds correctly to the command.
All OK