Call Waiting

Call waiting must be supported on the cell phone and enabled by the wireless service carrier.

  • Press call when another call is active. The original call is placed on hold. to answer an incoming call when another call is active. The original call is placed on hold.
  • Press original call. again to return to the original call.
  • To ignore the incoming call, no action is required.
  • Press call and switch to the call on hold. disconnect the current call and switch to the call on hold.
    See also:

    If the Vehicle Is Stuck
    Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow. If stuck too severely for the traction system to free the vehicle, turn the traction system off an ...

    Engine Cooling When Trailer Towing
    The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating . ...

    Onstar.com
    The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...