USB Supported File and Folder Structure
The radio supports:
• Up to 700 folders.
• Up to eight folders in depth.
• Up to 65,535 files.
• Folder and file names up to 64 bytes.
• Files with an .mp3 or .wma file extension.
• AAC files stored on an iPod.
• FAT16
• FAT32
See also:
Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get hot and no ...
OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To ch ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-GMC-8782 (1-800-462-8782), or write:
GMC Customer Assistance Center
P.O. Box ...