See also:

Engine Oil Pressure Light
WARNING Do not keep driving if the oil pressure is low. The engine can become so hot that it catches fire. Someone could be burned. Check the oil as soon as possible and have the vehicle serviced. ...

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 ...

Under the Hood
GM's two-mode hybrid system enables "full" hybrid operation with the capability to cruise on electric power up to 30 mph. The gas engine kicks in if more acceleration is needed, as well ...