Keys & electronicsToyota Voxy ZRR80

Toyota Voxy ZRR80: Change the CR2032 Smart-Key Battery (2014)

By CarFactBook · Review source evidence and limitations

Replace the CR2032 in a 2014-generation Toyota Voxy ZRR80 electronic smart key. Learn how to distinguish the CR2016 conventional remote key and follow Toyota's positive-side-up instruction.

Time
5–10 minutes
Difficulty
Easy
Tools
2 needed
Instructions
6 steps

Applies to Toyota Voxy ZRR80 · 2014–2021. Toyota Voxy 2014-generation ZRR80 fitted with Toyota Smart Entry & Start electronic key, not conventional wireless-key variant.. Always compare the described parts, labels and specifications with your own vehicle and manual.

Manual-referencedToyota official owner manual2014 Voxy manual, printed pp. 256–258, §6-2 'Key battery replacement', equipment-specific CR2016 versus CR2032 and smart-key steps.
Review evidence and limitations ↓

Tools and materials

  • CR2032 button battery for Smart Entry & Start key
  • Small flat-head screwdriver with protective cloth

Step-by-step instructions

Follow these steps

Follow the written instructions in order; illustrations are optional, not a requirement for a complete guide. If a component or label looks different on your car, stop and check your own manual.

  1. Step 1 of 6

    Confirm whether the Voxy has Smart Entry & Start

    Inspect the vehicle's electronic key and its equipment. Toyota's 2014 ZRR80 manual separates CR2032 for Smart Entry & Start from CR2016 for a conventional wireless key. This guide is only for the Smart Entry & Start version.

    Check before moving on

    Original key and equipment match the Toyota Smart Entry diagram.

    All steps ↑
  2. Step 2 of 6

    Protect the key and prepare the battery

    Lay the key on a clean, dry surface and prepare a CR2032 cell. Cover the tip of a small flat-blade screwdriver with soft cloth to avoid gouging the case. Keep the loose cell and removed components away from children.

    Check before moving on

    The replacement is CR2032 and the protected tool is ready.

    All steps ↑
  3. Step 3 of 6

    Remove the mechanical key

    Release the electronic key's mechanical insert using the Toyota Smart Entry mechanism and withdraw it gently, as shown in the 2014 manual.

    Check before moving on

    The key insert is free and the release is intact.

    All steps ↑
  4. Step 4 of 6

    Open the electronic key cover gently

    Use the cloth-covered small screwdriver at the Toyota-indicated seam to open the cover. Do not bend the internal electronic module. If the module sticks to the upper half and obscures the battery, Toyota instructs turning the module over carefully to reveal it.

    Check before moving on

    The case opens and the battery becomes visible without strained plastic.

    All steps ↑
  5. Step 5 of 6

    Exchange the CR2032 with plus side upward

    Remove the spent cell without moving the contacts or circuit. Install the new CR2032 with its positive (+) face upward, as Toyota states in the 2014 manual.

    Check before moving on

    Battery sits level and + side is up.

    All steps ↑
  6. Step 6 of 6

    Reassemble and test

    Close the cover in the reverse order, return the mechanical key and check that the electronic key responds to locking/unlocking near the vehicle. Seek assistance if it does not function after checking seating.

    Check before moving on

    Case is flush; insert locks in place; functions respond.

    All steps ↑

References & limitations

Where these instructions come from

Toyota Voxy 2014-generation ZRR80 fitted with Toyota Smart Entry & Start electronic key, not conventional wireless-key variant.

CR2032 is for the Smart Entry & Start electronic key; the conventional wireless key uses CR2016. Do not interchange battery or case-opening sequences.

Toyota official owner manual ↗

Manual section: 2014 Voxy manual, printed pp. 256–258, §6-2 'Key battery replacement', equipment-specific CR2016 versus CR2032 and smart-key steps.

Instructions checked against manufacturer documentation; not a physical inspection of every vehicle.