Cold Temperature Operation
If in an area of extreme cold, where the temperature falls below −20°F (−29°C), use either an SAE 5W-30 synthetic oil or an SAE 0W-30 engine oil. Both provide easier cold starting for the engine at extremely low temperatures. Always use an oil that meets the required specification, GM6094M. See “What Kind of Engine Oil to Use” for more information.
See also:
Online Owner Center
Buick Owner Center (U.S.) www.buickownercenter.com
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Battery Power Protection
The battery saver feature is designed to protect the vehicle's battery.
To prevent battery discharge while driving, the following systems are reduced automatically in two stages and then turned off:
...
Vehicle Storage
Tires age when stored normally mounted on a parked vehicle. Park a vehicle that
will be stored for at least a month in a cool, dry, clean area away from direct
sunlight to slow aging. This area sh ...