It is going to be standard on all GM vehicles in the U.S. and Canada by the end of '07. Its technology and service are also offered by non-GM companies, including Lexus. And while there have been and are some competitors (the business of a cross-town rival closed down before it was up and running), OnStar is one of the brightest things GM has going. By Gary S. Vasilash, Editor-In-Chief (Automotive Design and Production).