) when a commercial for "Castrol GTX" came on. It was very interesting as it showed the process of starting the car, but went from inserting the key, to turning the starter, to actually starting the engine, and everything in between.
However, the part that interested me was the key. It did not look like the standard doudle wafer type key that my parents have, but more like an uncut key, with the cuts made in the side. It was like a jagged groove running down the side of the key
I was wondering if this is the infamous "laser key" i keep hearing about, or if it is something different. I was also wondering how this type of lock works. please give any information you have, and thanks in advance.
That key, (if I remember the commercial correctly) is what is properly known as an internal four-track key. The wafers are split in half, and they have "flags" which ride on the inside groove of the key from both directions.
If it ain't broke.....pull it down and see how it works anyway!