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Voice Recognition Inoperative

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.
Voice Recognition Inoperative

Step Action Yes No
DEFINITION: The OnStar® personal calling feature may not be able to understand some or all words spoken.
1 Did you perform the Cellular Communication Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Cellular Communication 
2
IMPORTANT: The vehicle must be located in a quiet area.
  1. Turn ON the ignition, with the engine OFF.
  2. Press the OnStar® Call Center button.
  3. Ask the OnStar® operator if your voice can clearly be heard.
Does the OnStar® operator hear your voice?		 Go to Step 3  Go to Microphone Inoperative - Caller Cannot Be Heard 
3
  1. Press the call answer button.
  2. Pronounce all Hands Free commands. Refer to OnStar Description and Operation  for proper pronunciation.
Did the OnStar® system recognize any of the voice commands?		 Go to Step 5  Go to Step 4 
4
  1. Press the call answer button.
  2. Have another person pronounce all Hands Free commands. Refer to OnStar Description and Operation  for proper pronunciation.
Did the OnStar® system recognize any of the voice commands?		 Go to Step 5  Go to OnStar Description and Operation 
5 The system is operational, but cannot identify certain word commands due to pronunciation. For tips on proper pronunciation refer to OnStar Description and Operation .
Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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