OnStar

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Storing a Flat or Spare Tire andTools
CAUTION: Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store al ...

Driver Efficiency Gauge
Driver Efficiency Gauge This gauge assists the driver in operating the vehicle more efficiently and will vary based on driver input. See Driver Efficiency Gauge for more information. ...

Anti-theft Alarm System Messages
THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...