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 information.
FUEL LEVEL LOW
This message displays when the vehicle is low on fuel. Refuel as soon as possible.
TIGHTEN GAS CAP
This message displays when the fuel cap is not on tight. Tighten the fuel cap.
See also:
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed.
When you change the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message. See Engine Oil Life System ...
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...
Hoses
Hoses transport fluids and should be regularly inspected to ensure that there are no cracks or leaks.
With a multi-point inspection, your dealer can inspect the hoses and advise if replacement is nee ...





