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:
Driving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road, creating
less traction or grip. Wet ice can occur at about 0°C (32°F) when freezing rain
begins to fall, resulting in ev ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...
Park Brake and P (Park) Mechanism Check
WARNING
When you are doing this check, the vehicle could begin to move.
You or others could be injured and property could be damaged.
Make sure there is room in front of the vehicle in case it begi ...