Just as a key blank is cut to work with a particular vehicle, the key registration process also alters the Smart Key to “fit” the “lock”."Ī new Smart Key will come with the Vehicle ID blank. The other is the Vehicle ID code, which is obtained from the car and burned to the Smart Key during the registration process. ".one of the things a Smart Key broadcasts its unique Key ID code, which is burned into its memory at the factory. ( source link, requires free registration for full article, I've attached it as well under this post) I am not an expert when it comes to the security components, but I will do my best to detail them here: In order to add a "Smart Key", you have to use specialized software connected to the car and depending on its status (new or used), different steps need to be followed. While the keys themselves are a similar concept, the steps are still referring to a physical key.
You do not want to confuse that procedure with what needs to be for done Smart Keys, which is completely different. You could sometimes buy a key and pair it to your car if you happened to know a set of "special/secret" steps to follow that would put the car into "programming mode" (this is what most internet searches will yield). However, things started to get complicated with the security chips. At first you could simply get your key cut as that's all there was to it with a straight physical key (this is how it is in my 1998 Mazda Protege, duplicate key cost $3 total). While the intention was to increase security and decrease car theft, the natural consequence is that it makes it more difficult for owners to get duplicate keys. My total cost was under $100 CDN to have my Smart Key ($50 for the key, $20 for the software/cable, and $15 for the SEED code).īackground Information: (skip if you're already familiar with the components)īriefly speaking, the evolution of the ignition component of a car went from a physical key alone, to a physical key with a security chip (the rubber head keys) to completely keyless ignitions (referred to as a "Smart Key"). What I will walkthrough is how to add a Smart Key (a used one) to a car with a Smart Key System (aka SKS), which is a car that doesn't have a traditional ignition key (you push a "Start" button instead) You can find much of this information in other threads and throughout the web, however, my experience was very difficult because I found some of the information confusing and at times in conflict with other information, so I thought I'd summarize all my learnings here for other people to benefit.
While doing my research, a post by doctorman on Toyotanation was a big help for me, so I thought I'd try to contribute by making a detailed guide further to their post.
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