OnStar®
Keys and LocksTire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one,
be inspected for signs of wear or damage at least once a month.
Replace the tire if:
The indicators at three or more places around the tire can be seen.
There is cord or fabric showing through the tire's rubb ...
Connecting a USB Storage Device or iPod/iPhone
To connect a USB storage device, connect the device to the USB port.
To connect an iPod/iPhone, connect one end of the device’s cable to the iPod/iPhone
and the other end to the USB port.
The iPod/iPhone charges while it is connected to the vehicle if the vehicle is
in ACC/ACCESSORY, ON/RUN. S ...
Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services.
See Tire Rotation on page 10-48.
Check engine oil level and oil life percentage. If needed, change engine
oil and filter, and reset oil life system. See Engine Oil on page 10-8 and Engine
Oil Life Syste ...