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Procedure for Programming Buick Keys



The engine immobilizer is an anti-theft system that employs a keyfob with a digital code stored on it. When the keyfob comes into contact with the vehicle’s electronic management system or is inserted into the ignition switch, it transmits this “password” to it. If the user has the correct keyfob, the engine will start up.

The engine immobilizer is a safe method of discouraging thieves from stealing your car through hotwiring or traditional methods such as hammering the ignition with a screwdriver to force it to start. It’s like an extra layer of security on top of your car’s alarm.

St. George Evans and Edward Birkenbuel invented and patented the electric immobiliser/alarm system in 1919. When the ignition switch was turned on, current from the battery (or magneto) went to the spark plugs, allowing the engine to start or immobilizing the vehicle and sounding the horn. Each time the car was driven, the system settings could be changed. Modern immobiliser systems are automatic, which means the owner does not have to remember to turn it on.

Since January 1, 1998, all new cars sold in Germany have been required to have immobilizers, as have all new cars sold in the United Kingdom since October 1, 1998, in Finland since 1998, in Australia since 2001, and in Canada since 2007. Early models used a static code in the ignition key (or key fob) that was recognized by an RFID loop around the lock barrel and checked for a match against the vehicle’s engine control unit (ECU). If the code is not recognized, the ECU will prevent fuel from flowing and ignition from taking place. Later models employ rolling codes or advanced cryptography to prevent code copying from the key or ECU.

Every BUICK car comes with a simple process for programming the car’s immobilizer keys. The BUICK car models are shown below:


  • Buick Terraza
  • Buick LaCrosse
  • Buick Enclave
Key Programming Buick Terraza 2006-2011

Key Programming: Buick Terraza 2006-2011

Buick Terraza 2006-2011 Key Programming Procedure The following are the key programming procedures for the 2006 and 2011 Buick Terraza ...
Key Programming Buick LaCrosse 2005-2012

Key Programming: Buick LaCrosse 2005-2012

Buick LaCrosse 2005-2012 Key Programming Procedure The following are the key programming procedures for the 2005 and 2012 Buick LaCrosse ...
Key Programming Buick Enclave 2008-2015

Key Programming: Buick Enclave 2008-2015

Buick Enclave 2008-2015 Key Programming Procedure The following are the key programming procedures for the 2008 and 2015 Buick Enclave ...




Buick is a division of General Motors, an American automobile manufacturer (GM). It was one of the first American marques of automobiles, founded by automotive pioneer David Dunbar Buick, and was the company that established General Motors in 1908. Prior to the formation of General Motors, GM founder William C. Durant was the general manager and major investor in Buick.

Buick has spent much of its time in the North American market as a premium automobile brand, selling luxury vehicles that sit above GM’s mainstream brands but below the flagship luxury Cadillac division. According to The Detroit News, Buick’s current target demographic is “a successful executive with a family.”

Buick was recognized as an upscale luxury car with a conservative appearance, as opposed to more ostentatious Cadillac and technology-rich, forward-thinking Oldsmobile, after securing its market position in the late 1930s, when junior companion brand Marquette and Cadillac junior brand LaSalle were cancelled. During this same time period, many manufacturers were introducing V8 engines in their high-end models, while Buick used a straight-8 for all models starting in 1931.

Buick sold more than 1.4 million vehicles worldwide in 2017, a record for the brand; the main market is now China, where Buick-branded automobiles account for 80% of sales; Buicks are also sold in the United States, Canada, and Mexico.

Buick is one of the world’s oldest automobile brands, and it is currently the oldest in the United States. (Autocar, founded in 1897, is the Western Hemisphere’s oldest motor vehicle manufacturer; originally an automobile manufacturer, Autocar now manufactures heavy trucks.) Oldsmobile, another early automaker founded in 1897, is now defunct; Studebaker was founded in 1852, but did not begin producing automobiles until 1902; Mr. Ford built his first car in 1896, but did not establish the Ford Motor Company until 1903, and was involved with other automobile manufacturers such as Cadillac, founded in 1902).

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