How To Replace Vw Passat Key Battery. From the now-empty key cavity push up on the panel. Using your fingers begin creating a space between the two until they pry apart.

Access Battery - Learn where the battery is located. Set aside old battery. Reconnect the cables to the battery.
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Using your fingers begin creating a space between the two until they pry apart. Step 3 Use a spudger to remove the battery. Car key fobs for example typically hold the key. Tap both cables together.

