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:
Using Voice Commands During a Planned Route
Cancel Route
1. Push . System responds: “OnStar
ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel
route directions to your destination?”
2. Say “Yes.” System re ...
Scrolling the Map
Press anywhere on the map screen and the scroll symbol appears. Use this feature
to scroll across the map.
Move your finger in any direction on the map screen and the map continues to
scroll in ...
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant.
This coolant is designed to remain in the vehicle for 5 years or 240 000 km
(150,000 mi), whichever occurs first.
The fo ...