WARNING
Leaving children in a vehicle with the ignition key is dangerous and children or others could be seriously injured or killed. They could operate the power windows or other controls or make the vehicle move. The windows will function with the keys in the ignition, and children or others could be caught in the path of a closing window. Do not leave children in a vehicle with the ignition key.
WARNING
Leaving children in a vehicle with a Remote Keyless Entry (RKE) transmitter is dangerous and children or others could be seriously injured or killed. They could operate the power windows or other controls or make the vehicle move. The windows will function with the RKE transmitter in the vehicle, and children or others could be caught in the path of a closing window. Do not leave children in a vehicle with an RKE transmitter.

The key that is part of the Remote Keyless Entry (RKE) transmitter can be used for the ignition and all locks if the vehicle is a key access vehicle. If the vehicle has the keyless ignition, the key can be used for the locks.

Press the button on the RKE transmitter to extend the key. Press the button and the key blade to retract the key.
If it becomes difficult to turn the key, inspect the key blade for debris.
Periodically clean with a brush or pick.
See your dealer if a new key is needed.
With an active OnStar subscription, an OnStar Advisor may remotely unlock the vehicle.
Keys and Locks
Remote Keyless Entry (RKE) SystemReporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying General Motors.
If NHTSA receives similar complaints, it may open an investig ...
Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE
This message displays when the vehicle has detected that the battery voltage
is dropping beyond a reasonable point. The battery saver system starts reducing
features of the vehicle that may be noticed. At the point that features are disabled,
this message displays. Turn o ...
Winter Tires
This vehicle was not, originally, equipped with winter tires. Winter tires are
designed for increased traction on snow and ice-covered roads. Consider installing
winter tires on the vehicle if frequent driving on snow or ice-covered roads is
expected. See your dealer for details regarding wint ...