Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This
coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000
mi), whichever occurs first.
The f ...
Exterior
The Canyon is saddled with an angular headlight brow, borrowed from the
Colorado, that forces a more trapezoidal execution of the grille than do
standard GMC truckfront ends. Other GMC trucks, inc ...
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl ...





