Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Alpha-Numeric Keyboard
Letters of the alphabet, symbols, punctuation, and numbers, when available, displays
on the navigation screen as an alpha or numeric keyboard. The alpha keyboard displays
when the system requires ...
Customer Satisfaction Procedure (Mexico)
Did you get the Warranty Extension Plan? This plan is recommended by General
Motors to supplement the warranty included with the new vehicle purchase.
See your dealer for details.
Customer ...