What is the 12V Auxiliary Battery Drain problem on a 2023 Lexus RZ?

Common Problems with the
2023–2025 Lexus RZ

We've identified 1 known issue that can affect the 2023–2025 Lexus RZ. None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

ModerateElectrics & Electronics

Even as a full EV, the RZ uses a 12V battery to run its systems. It is prone to the same drain issues as the hybrid models.

Estimated cost: WarrantyAffects: 2023–2025Often appears around: Low-use vehicles

✓Check if the latest firmware updates have been applied to optimize 12V charging

✓Check the "State of Health" (SOH) of the traction battery via the infotainment menu if possible.
✓Research real-world range for UK winter conditions, as it can be significantly lower than the WLTP figure.
✓Test the electronic door latches for smooth operation.

View MOT history, registration data, and reliability scores for 2023–2025 Lexus RZ vehicles.

Enter the registration number to check its full MOT history, outstanding finance, write-off status, and more.