OnStar®

For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
Automatic Crash Response
In a crash, built-in sensors automatically alert an OnStar Advisor who is immediately connected to the vehicle to see if you need help.
See also:
How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions.
Push this red emergency button to get priority help from specially ...
Immobilizer Operation
This vehicle has a passive theft-deterrent system.
The system does not have to be manually armed or disarmed.
The vehicle is automatically immobilized when the key is removed from the ignition.
The ...
The Inside
Buick sells only three models now, and the Lucerne falls in the middle in
size, price and interior quality. Of the three large crossover models GM has
sold over the past couple years, the Buick En ...
