 
| Callout | Component Name | 
|---|---|
| Preliminary Procedure 
 Remove the dome lamp bezel. Refer to Dome Lamp Bezel Replacement. | |
| 1 | Mobile Telephone Microphone Procedure 
 Disconnect the electrical connector. | 
 Communication Interface Module Replacement
Communication Interface Module Replacement OnStar Description and Operation
OnStar Description and OperationRadio Controls with Touchscreen
  		The infotainment system is operated by using the pushbuttons, menus shown on 
the display, and steering wheel controls.
Turning the System On or Off
 (Power): Press and hold to turn 
the radio on and off.
Automatic Switch-Off
If the infotainment system has been turned on after the ignition is  ...
   	
Special Tools
  		
	
		
	
	
		
			
			Illustration
			
			
			Tool Number/Description
			
		
	
	
		
		
		
		
		EL–50334–20
		Multi-Media Interface Tester (MIT)
		
	
	
		
		
		
		
		EL–50334–50
		USB Cable and Adapter Kit
		
	
	
		
		
		
		
		EL-48028
		Digital Radio Test  ...
   	
Camshaft Position Actuator Solenoid Valve Installation
  		
	
	
	
		Caution: The camshaft position actuator solenoid valves must be 
		kept parallel to the engine front cover during removal and installation. 
		The camshaft position actuator solenoid valves can be damaged if they become 
		wedged or stuck during this process. 
	
	Install the 2̴ ...