Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M 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:
Convex Mirrors
WARNING
A convex mirror can make things, like other vehicles, look farther away than
they really are. If you cut too sharply into the right lane, you could hit a vehicle
on the right. Check the ...
Brake System Warning Light
The vehicle brake system consists
of two hydraulic circuits. If one
circuit is not working, the remaining
circuit can still work to stop the
vehicle. For normal braking
performance, both cir ...
Owner Checks and Services
At Each Fuel Stop
Check the engine oil level. See Engine Oil .
Once a Month
Check the tire inflation pressures. See Tire Pressure .
Inspect the tires for wear. See Tire Inspection .
Che ...