Highway Hypnosis
Always be alert and pay attention to your surroundings while driving. If you become tired or sleepy, find a safe place to park the vehicle and rest.
Other driving tips include:
○ Keep the vehicle well ventilated.
○ Keep the interior temperature cool..
○ Keep your eyes moving — scan the road ahead and to the sides..
○ Check the rearview mirror and vehicle instruments often.
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 ...
Speedometer
The speedometer shows how fast the vehicle is moving in either kilometers per hour (km/h) or miles per hour (mph). The speedometer cannot be reset. ...
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...