Batteries for the main key (folding) with radio wave remote control, removing and installing: Removing

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Fig 1: Inserting Screwdriver In Slot Between Radio-Frequency Unit & Key (Foldable Key)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Insert a screwdriver in the slot between the transmitter unit -1- and the main key -2-.
Move the screwdriver in direction of arrow and unclip the transmitter unit from the main key.

Fig 2: Separating Radio-Frequency Unit (Foldable Key)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Press the transmitter unit apart in direction of arrow.

Fig 3: Removing Batteries (Foldable Key)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unclip batteries from the retainers in direction of arrow using a screwdriver.