See also:

Using Softkeys to Control a USB Storage Device or iPod
The five softkeys below the radio display are used to control the functions listed below. To use the softkeys: 1. Press the first or fifth softkey below the radio display to display the functions li ...

Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants on page 11‑12. ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑64. Added electrical equipment ...