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Car Forum / Volkswagen / Water Cooled Volkswagen Cars / September 2008Re-program key after battery change?
Looks like I'll have to replace the battery in the key to my 7-year old Passat. Will the car and key remember each other afterwards, or will they have to be reintroduced?  SignatureBert Hyman | St. Paul, MN | bert@iphouse.com > Looks like I'll have to replace the battery in the key to my 7-year > old Passat. [quoted text clipped - 4 lines] > -- > Bert Hyman | St. Paul, MN | b...@iphouse.com I took mine to VW. For the price of the battery, they did the replacement on the spot at the service-desk, and the car did remember. Peter Wieck Melrose Park, PA good tip! Batteries aren't too expensive at the dealer either! AND that was the only place that I found the odd size battery for my remote. On Sep 23, 2:52 pm, Bert Hyman <b...@iphouse.com> wrote: > Looks like I'll have to replace the battery in the key to my 7-year > old Passat. [quoted text clipped - 4 lines] > -- > Bert Hyman | St. Paul, MN | b...@iphouse.com I took mine to VW. For the price of the battery, they did the replacement on the spot at the service-desk, and the car did remember. Peter Wieck Melrose Park, PA NO > Looks like I'll have to replace the battery in the key to my 7-year > old Passat. > > Will the car and key remember each other afterwards, or will they have > to be reintroduced? > Looks like I'll have to replace the battery in the key to my 7-year > old Passat. [quoted text clipped - 4 lines] > -- > Bert Hyman | St. Paul, MN | b...@iphouse.com I can't answer for all years and models, but my 2002 NB did not need anything. I just replaced the battery and everything was normal. More than likely, the electronics within the key uses firmware. This cannot be changed via loss of power. Hopefully, you wrote down or kept the keycode if you ever have to replace the key. SignatureDave How many people with "small savings accounts" closed those accounts in response ot recent ecomomic news... Circumstance - Venezuela closing its doors to U.S. ambassadors. Shortly afterwards, a hurricane enters the Gulf coast in vicinity of oil derrricks, and onshore that has oil refinement capabilities. Subsequently, the price of oil crude drops dramatically. The Russian version of Wall street is virtually failiing for some "unknown reason". A day later, the Russian Navy is having Naval exercises with the Venezuelan Navy. Are U.S. senators less obliged to fulfill their obligation to represent their constiituents if they are running for U.S. president? Where were either one of them on Monday September 22nd, 2008? > Looks like I'll have to replace the battery in the key to my 7-year > old Passat. > > Will the car and key remember each other afterwards, or will they have > to be reintroduced? Are you talking about the key or the remote???? AS far as starting the car goes that has nothing to do with a battery. That is transponder based technology that gets its power from the magnetic pickup coil around the ignition switch. The remote may have to be resynchronized but thats no big deal. Craig > More than likely, the electronics within the key uses firmware. This > cannot be changed via loss of power. Hopefully, you wrote down or kept [quoted text clipped - 5 lines] >> Will the car and key remember each other afterwards, or will they have >> to be reintroduced? > The remote may have to be resynchronized but thats no big deal. I know it's not a big deal, but if I have to do it, I don't want to be surprised, and I should probably dig up the instructions ahead of time :-) SignatureBert Hyman | St. Paul, MN | bert@iphouse.com |
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