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 communicate with GMC by dialing:
1-800-462-8583. TTY users in Canada can dial 1-800-263-3830.
See also:
Steps for Determining Correct Load Limit
1. Locate the statement “The combined weight of occupants and cargo should never
exceed XXX kg or XXX lbs” on your vehicle's placard.
2. Determine the combined weight of the driver and pass ...
Owner Checks and Services
At Each Fuel Stop
• Check the engine oil level.
See Engine Oil on page 10‑8.
Once a Month
• Check the tire inflation pressures. See Tire Pressure on page 10‑44.
• Inspect the ti ...
Automatic Transmission
The automatic transmission shift lever is located on the console between the
seats.
P (Park): This position locks the front wheels. Use P (Park) when starting the
engine because the vehicle can ...