Bluetooth Controls
Use the buttons located on the steering wheel to operate the in-vehicle Bluetooth system.
See Steering Wheel Controls on page 5‑2 for more information.
(Push To Talk): Press to answer incoming calls, confirm system information, and start speech recognition.
(End): Press to end a call, reject a call, or cancel an operation.
See also:
Engine Overheating
If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information.
The vehicle has several indicators to warn of engine overheating.
There is a coolant temperatu ...
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 ...
Special Application Services
○ Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000
km/ 3,000 mi.
○ Have underbody flushing service performed once a year. ...





