Navigation Cannot Control HVAC By Voice Command (Navigation System)

Diagnostic Procedure

1. Symptom Troubleshooting - Refer to: How To Troubleshoot The Navigation System (Without Auto Idle Stop System) (2015-17)  or How To Troubleshoot The Navigation System (With Auto Idle Stop System) (2015-17)  or How to Troubleshoot the Navigation System (2018-19) 

Also Check for

• Correct audio-navigation unit is installed for this model
• Climate control unit DTCs - Refer to: How To Troubleshoot The Body Electrical (2015-17) or How To Troubleshoot The Climate Control System (2015-17) or How to Troubleshoot the Body Electrical (2018-19), or How to Troubleshoot the Climate Control System (2018-19)