NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION; 2020 - 2022 MY RAV4 RAV4 HV [10/2019

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal

NOTICE:

When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU 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 or navigation ECU may not operate normally.
When performing the following work, the navigation system may restart when turning the ignition switch ACC (due to radio and display receiver assembly and navigation ECU certification).
- Repair or replace the negative (-) auxiliary battery terminal due to it being disconnected or depleted.
- The radio and display receiver assembly or navigation ECU replacement or removal and installation.
When replacing the DCM (telematics transceiver), make sure to replace it with a new one. (w/ Manual [SOS] Switch)
After replacing the radio and display receiver assembly, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the navigation ECU.
After replacing the navigation ECU, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the radio and display receiver assembly.

(a) If any of the following parts are replaced, refer to Initialization in Repair Instruction.