how much does a 2002 buick century key will cost my mine has a chip in the key and i dont have a spare

$60 - $100 at the dealer plus programming. Call a locksmith. It's cheaper.

There is no need for programming, it's a $2 blank key.

Buick Century Security anti theft chip key Problems & Solutions - Fixya www.fixya.com › ... › security anti theft chip key › Cars & Trucks › Buick Buick Century cars & trucks security anti theft chip key problems and ... security light on 2002 Buick Century Security light just started staying on all the time (Yes yours does have anti theft and no a regular key will not work)

It does have a "chip key" or "VATS- Vehicle Anti-Theft System" key, but you don't have to reprogram the vehicle. Physically, the keys look the same, but the chips are of different values. Any dealership, or locksmith with a key reader can provide you with the correct number "VATS" key.

And yes, the blanks go for about $2-$15, depending on the seller. So with that in mind, call around for the best price on the key and the service to read & cut it.

How much would it be for a copy?? 2002 centry buick

Measure the resistance of the chip. Mine is 11.77 k OHMS = key code 15 Link below to order a key or find a other place. Then Take it to a place to get it keyed. https://ekeyblanks.com/General-Motors-B82-P-VATS-Key-Blanks/? gclid=Cj0KCQjwx7zzBRCcARIsABPRscOnQOEGFGadO8CAZgRjKexbbZvjlwJj7LrziS9md vvLc_nTejz2U5oaAivOEALw_wcB