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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001ATRL |  
                        | Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - 08/2021] |  
                        | Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): PRECAUTION; 2019 - 2021 MY Avalon [04/2018 - 08/2021] |  PRECAUTIONPRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL 
                     NOTICE: 
                        
After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal.
When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected.
                              
                                 
                                 
                              
                              
                                 
                                    | System Name | See Procedure |  
                                    | Lane Departure Alert System (w/ Steering Control) | 
                                          
                                             
                                                
                                                   ![2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  ![2021 MY Avalon Avalon HV [08/2020 - 08/2021]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  
                                    | Intelligent Clearance Sonar System |  
                                    | Parking Assist Monitor System |  
                                    | Panoramic View Monitor System |  
                                    | Pre-collision System |  
                                    | Lighting System (for Gasoline Model with Cornering Light) |  
                     NOTICE: 
                        
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
                              
                                 
A communication malfunction DTC may be stored.
The radio and display receiver assembly may not operate normally.
 
                     
                        
When replacing the DCM (telematics transceiver), be sure to replace it with a new one (w/ Manual (SOS) Switch).
 PRECAUTION FOR AUDIO AND VISUAL SYSTEM (a) If any of the following parts are replaced, refer to Initialization in Repair Instruction. Click here
                        
                           
                              ![2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  ![2021 MY Avalon Avalon HV [08/2020 - 08/2021]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  
                     
                        
Radio and display receiver assembly*1
DCM (telematics transceiver)*2
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