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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001PTLS |  
                        | Model Year Start: 2021 | Model: Avalon HV | Prod Date Range: [08/2020 -                    
                                       ] |  
                        | Title: CELLULAR COMMUNICATION: BACK-UP BATTERY: REMOVAL; 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ] |  REMOVALCAUTION / NOTICE / HINTThe necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during back-up battery removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |  
                           | back-up battery | Perform the reset back-up battery condition | Safety Connect System | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |  
                           | back-up battery | Perform the reset back-up battery condition | Safety Connect System | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  PROCEDURE1. REMOVE DCM (TELEMATICS TRANSCEIVER) ASSEMBLY Click here
                        
                           
                              ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL](/t3Portal/stylegraphics/info.gif)  2. REMOVE BACK-UP BATTERY (a) Disengage the 3 claws and 2 guides as shown in the illustration to remove the transceiver cover.   
                     
                        
                        
                     
                     
                        
                           |   | Remove in this Direction (1) |  
                           |   | Remove in this Direction (2) |  (b) Disconnect the connector.   
                     
                        
                        
                     
                     
                        
                           |   | Remove in this Direction |  (c) Remove the back-up battery as shown in the illustration. |