Do it yourself
Frequently asked questions about cars and motorcycles

How to replace the battery of the Volvo S90 DIY

Model: Volvo S90 MK 1 - Years 2017-2024
Part: Battery

On the Volvo S90, the replacement of the secondary battery is performed with the vehicle turned off and safely. The compartment is opened, and the covers are removed to access the housing; then the terminals are identified, and disconnection is carried out (negative first, then positive), taking care to protect wiring and sensors. Once the mounting bracket is loosened, the battery is extracted vertically from its support. Before installation, compatibility is checked (size, capacity, and AGM technology), and the contacts are cleaned; the new battery is positioned in place, the bracket is reattached, and then the terminals are reconnected (positive first, then negative), ensuring the correct torque is applied to the terminals. Finally, the covers are repositioned, and a functional check is performed: instrument panel active, lights/services, and, if present, Stop&Start. If required by the manufacturer or the setup, the battery reset/registration is carried out via the service menu or diagnostic tool.

Posted on 5 December 2025 by ScegliAuto

Video tutorial

Related tutorials

Volvo S90 (2017-2024 / MK 1) In this guide for Volvo S90 owners, discover the steps to correctly replace the car key battery. First, remove the physical emergency key by pressing…
Volvo S90 (2017-2024 / MK 1) Replacing the battery of the remote control of a 2023 Volvo S 90 car is a simple and quick operation that can be done independently. The battery we w…
Volvo S90 (2017-2024 / MK 1) To replace the battery in the key fob of a Volvo S90, first open the side of the casing that contains the metal key. Press the button located at the …

Other guides you may be interested in

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

Watch the video!


by ScegliAuto

More videos