Call Waiting

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

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

    See also:

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

    Total Weight on the Vehicle's Tires
    Be sure the vehicle's tires are inflated to the inflation pressures found on the Certification Tire label on the drivers door or see Vehicle Load Limits on page 9‑17 for more information. Make s ...

    Key Lock Release
    Vehicles with an automatic transmission are equipped with an electronic key lock release system. The key lock release is designed to prevent ignition key removal unless the shift lever is in P ...