See also:

Tips and Troubleshooting Chart
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Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.”. System responds: “OK, calling <name tag>.” ...

Ignition Positions (Key Access)
The ignition switch can be turned to four different positions. To shift out of P (Park), the ignition switch must be in ON/RUN or ACC/ACCESSORY and the brake pedal must be applied. Notice: ...