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:
The Inside
Where it counts, the Verano's interior feels plush — somewhere between a
compact and a luxury car, but closer to the latter. Similar money could get a
well-equipped Cruze or Mazda3. The Buick is ...
Parking
If the vehicle has a manual transmission, before getting out of the vehicle, move the shift lever into R (Reverse) if parking on a downhill slope. On a level surface or an uphill slope, use 1 (First) ...
Brake Adjustment
Every time you make a brake stop, your disc
brakes adjust for wear. ...