See also:

Clock
The infotainment system controls are used to access the time and date settings through the menu system. The clock menu can be only be used with the radio on while in ON/RUN or ACC/ACCESSORY. See ...

Customer Satisfaction Procedure
Your satisfaction and goodwill are important to your dealer and to Buick. Normally, any concerns with the sales transaction or the operation of your vehicle will be resolved by your GM dealer’ ...

Accessories and Modifications
When you add non-GM accessories to your vehicle they can affect your vehicle’s performance and safety, including such things as, airbags, braking, stability, ride and handling, emissions systems, ...