OnStar Services

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Sleeker, Smaller
The new SRX shares the current, second-generation Cadillac CTS sedan's windswept style and friendlier face, just as the outgoing SRX emulated the sharp creases and upright angles of the first-gene ...

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. ...

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). ...