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:
Engine Identification
The eighth character in the VIN is the engine code. This
code identifies the vehicle’s engine, specifications,
and replacement parts. See “Engine Specifications”
under Capacities and Speci ...
Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).
See Fuel E85 (85% Ethanol) . For all other vehicles, use ...
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 ...
