Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier.
• Press 
to answer an incoming call when another call is active. The original call is placed on hold.
• Press again to return to the original call.
• To ignore the incoming call, no action is required.
• Press 
to disconnect the current call and switch to the call on hold.
See also:
Following Distance
Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer.
This can help to avoid situations that require heavy braking and sudden turns. ...
Services for People with Disabilities
Advisors provide services to help subscribers with physical disabilities and medical conditions.
Push for help with:
• Locating a gas station with an attendant to pump gas.
• Finding a hotel, ...
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 ...