How to Disassemble a Volkswagen Sagitar Key for Battery Replacement?

1 Answers
Ronnie
07/28/25 10:04pm
First, remove the mechanical key from the smart key. The smart key is the L-shaped key. Carefully observe the top of the smart key, where there are deep and shallow grooves. Use this L-shaped key to pierce the shallow groove of the smart key all the way to the bottom. You will notice that the back cover of the smart key will automatically pop out. Remove the old battery, replace it with a new one, and then reattach the back cover and the mechanical key. The battery in this car key typically lasts 2-3 years. If it runs out of power, it should be replaced promptly.
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