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HOMESERVICE MANUALSTOYOTA2018PRIUS TWO ECOREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTCELLULAR COMMUNICATION SYSTEM - SERVICE INFORMATIONBACK-UP BATTERYREMOVAL [11/2015 - 11/2017]PROCEDURE
2018 Toyota Prius Two Eco

Removal [11/2015 - 11/2017]: Procedure

2018 Toyota Prius Two EcoSECTION Procedure
  1. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY 

    Refer to REMOVAL [11/2015 - 11/2017]

  2. REMOVE BACK-UP BATTERY WITH BRACKET 
    1. Disconnect the connector.
      GTY567517Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts.
      GTY603956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the 2 guides to remove the back-up battery with bracket.
  3. REMOVE NO. 3 TELEPHONE BRACKET 
    1. Remove the nut.
      GTY554894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    2. Disengage the guide to remove the No. 3 telephone bracket as shown in the illustration.
  4. REMOVE NO. 4 TELEPHONE BRACKET 
    1. Remove the No. 4 telephone bracket as shown in the illustration.
      GTY592530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
  5. REMOVE BACK-UP BATTERY 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.