How to Replace the Battery in a 2017 Passat Key?

[VanOlivia]

2017 Passat key battery replacement method is: 1. Remove the mechanical key; 2. Insert a screwdriver into the mechanical keyhole of the remote key to pry open the key shell; 3. Open the key shell, take out the old battery, and replace it with a new battery of the same model; 4. Reassemble the key shell and mechanical key. Taking the 2017 Passat Elegance Edition as an example, it is a mid-size car with body dimensions of: length 4872mm, width 1834mm, height 1484mm, wheelbase 2803mm, fuel tank capacity 69L, and trunk capacity 490L.