See also:

Fuel System Messages
ECO MODE ON On some models, this message displays when the fuel economy mode has been turned on by pressing the eco button near the shift lever. See Fuel Economy Mode on page 9‑31 for more ...

Shifting out of Park
To shift out of P (Park): 1. Apply the brake pedal. 2. Turn the ignition to ON/RUN. 3. Press the shift lever button. 4. Move the shift lever. If you still are unable to shift out of P (Park): 1. ...

Exterior
GM says the Yukon Hybrid's exterior changes are intended to make the SUV more aerodynamic compared with the gas-powered Yukon. A modified bumper drops the regular Yukon's fog lights for some chunk ...