Service Vehicle Messages
SERVICE A/C SYSTEM
This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working.
Have the climate control system serviced by your dealer if you notice a drop in heating and air conditioning efficiency.
SERVICE VEHICLE SOON
This message displays when a non-emissions related malfunction occurs. Have the vehicle serviced by your dealer as soon as possible.
See also:
Vehicle Identification Number (VIN)
This legal identifier is in the front corner of the instrument panel, on the
left side of the vehicle. It can be seen through the windshield from outside.
The VIN also appears on the Vehicle Cer ...
Side Blind Zone Alert (SBZA)
If available, the Side Blind Zone Alert system is a lane changing aid that assists
drivers with avoiding crashes that occur with vehicles in the side blind zones.
WARNING
SBZA does not detect ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation
screen. Destinations can also be forwarded to the veh ...