Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Precaution

PRECAUTION

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 120 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 cable is reconnected.

    System Name

    See Procedure

    Lane Control System

    Pre-collision System

    Intelligent Clearance Sonar System

    Parking Assist Monitor System

    Panoramic View Monitor System

    Lighting System (w/ Automatic Headlight Beam Level Control System)

    Power Door Lock Control System

    Power Back Door System (w/ Outside Door Control Switch)

PRECAUTION FOR AUDIO AND VISUAL SYSTEM

NOTICE:

  • When performing the following work, the audio and visual system may restart when turning the engine switch on (ACC) (due to radio receiver assembly and navigation ECU certification).
    • Repair or replace the negative (-) battery terminal due to it being disconnected or depleted.
    • The radio receiver assembly or navigation ECU replacement or removal and installation.
  • After replacing the radio receiver assembly, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display, update the software of the navigation ECU.
  • After replacing the navigation ECU, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display, update the software of the radio receiver assembly.
    Audio And Visual System (for 12.3 Inch Display)
    ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *1 TELEPHONE MICROPHONE ASSEMBLY *2 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - AMP FUSE - ECU-IG1 NO. 8 FUSE - RADIO NO. 1 FUSE - RADIO NO. 2 FUSE ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Cornering Light Circuit
    DESCRIPTION The No. 1 headlight ECU sub-assembly controls the cornering lights. WIRING DIAGRAM for Multiple Beam Headlight for Single Beam Headlight CAUTION / NOTICE / HINT NOTICE: If the No. 1 headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle informati ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Before driving: Driving the vehicle
    The following procedures should be observed to ensure safe driving: Driving 1. With the brake pedal depressed, shift the shift lever to D. 2. Release the parking brake. If the parking brake is in automatic mode, the parking brake is released automatically when shifting the shift lever to an ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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