The sunroof has an automatic reversal system that is only active when the sunroof
is operated in express-close mode.
If an object is in the path while express-closing, the reversal system will detect
an object, stop, and open the sunroof slightly...
Other information:
If equipped, these buttons are in the overhead console.
This system can replace up to three remote control transmitters used to activate
devices such as garage door openers, security systems, and home automation devices.
These instructions refer to a garage door opener, but can be used for other devices...
For diesel engine vehicles, see “Engine Oil” in the Duramax diesel supplement.
To ensure proper engine performance and long life, careful attention must be
paid to engine oil. Following these simple, but important steps will help protect
your investment:
Use engine oil approved to the proper specification and of the proper viscosity
grade...