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:
When to Check and Change Automatic Transmission Fluid
It is usually not necessary to check the transmission fluid level.
The only reason for fluid loss is a transmission leak or overheated transmission. If a small leak is suspected, then use the followi ...
Insuring the Vehicle
Protect your investment in the GM vehicle with comprehensive and collision insurance coverage.
There are significant differences in the quality of coverage afforded by various insurance policy terms. ...
Automatic Transmission
The automatic transmission has a shift lever located on the console between the seats.
P (Park): This position locks the front wheels. It is the best position to use when starting the engine becaus ...





