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LEXUS Link System: Precaution

  1. NOTICE FOR DISCONNECTING CABLE FROM NEGATIVE (-) BATTERY TERMINAL 
    NOTE: After the power switch is turned OFF, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the power switch OFF, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
  2. INSPECTION PRECAUTION FOR LEXUS LINK SYSTEM 
    1. When the mayday battery runs low, the mayday ECU sets DTC 6-1 Perform troubleshooting according to the malfunction indicated by 6-1
  3. WHEN REPLACING MAYDAY ECU 
    1. If replacement of the ECU is necessary, replace the mayday battery (backup battery) together with the ECU After the replacement, register the ECU (see REGISTRATION )
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