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David, VW Master Technician
Category: VW
Satisfied Customers: 2366
Experience:  VW Master Technician Certified for 9 years, ASE Master Technician Certified
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how do i change the battery in a 2007 vw passat key

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how do i change the battery in a 2007 vw passat key?

Remote Control Key Battery

Press side button -2- on remote control key -3- and remove emergency key -4-.
– Pull off cover cap -1- forcefully in direction of -arrow- of side button -2- for remote control key -3-.


– Disengage retainers of remote control key - upper section -2- on remote control key -1-.
– Using trim removal wedge -3409--3-, lift off upper section of remote control key -arrow-.


– Lift battery -3- slightly using a screwdriver -2-.
– Remove battery -3- in -direction of arrow- from retainer -4-.


Note polarity and installation position of battery when installing.
– Guide battery -2-, with plus pole facing up, at an angle -arrow- into retainer -3- of remote control key -1- (plus pole is marked in housing).
– Battery engages in remote control key by applying light pressure.
– Now engage upper section of remote control key with remote control key (do not damage seal).
– Then slide cover on to remote control key. And guide emergency key into remote control key.

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