How to Replace the Button or Battery in VW Passat Smart Key

The replacement buttons you will need are 5mm x 5mm x 1.5mm SMD Momentary 4 Pin Tactile Micro Switches which you can buy online in packs of 100 for only a few pounds.

Product links below:

Amazon.com – 5mm x 5mm Momemtary Tactile Micro Switches

Amazon.co.uk – 5mm x 5mm Momemtary Tactile Micro Switches

It’s a good idea to replace the battery at the same time which is a standard 2032 3V battery.

Amazon.com – Duracell – 2032 3V Lithium Coin Battery – Long Lasting Battery

Amazon.co.uk – Duracell – 2032 3V Lithium Coin Battery – Long Lasting Battery