OnStar Services

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There is also important loading information on the vehicle Certification/Tire label. It tells you the Gross Vehicle Weight Rating (GVWR) and the Gross Axle Weight Rating (GAWR) for the front and r
Steps for Determining Correct Load Limit 1. Locate the statement “The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs” on your vehicle's placard. 2. Determine the ...

Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...

SBZA Messages
The following messages may appear on the infotainment display: SIDE BLIND ZONE ALERT SYSTEM OFF: This message indicates that the driver has turned the system off. SIDE BLIND ZONE ALERT SYS ...