See also:

High-Beam On Light
The high-beam on light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer  for more information. ...

Engine Oil Additives
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection. ...

High Voltage Devices and Wiring
WARNING! Exposure to high voltage can cause shock, burns, and even death. The high voltage components in the vehicle can only be serviced by technicians with special training. High voltage ...