Inst (Instantaneous) Economy

Displays the current fuel economy in either liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This number changes frequently as driving conditions change. It cannot be reset.

    See also:

    Brake System Messages
    SERVICE BRAKE SYSTEM This message displays along with the brake system warning light if there is a problem with the brake system. See Brake System Warning Light  . If this message appears, s ...

    STS adds direct-injection V-6
    For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222 kW), delivers 40 more horsepower; and torque ...

    Install the Cargo Cover
    1. Hold the cartridge so that the pull-out shade faces the rear of the vehicle. 2. Align the cartridge over the pins on the trim panels of the vehicle. 3. Push down on the cartridge to snap i ...