See also:

When the System Does Not Seem to Work Properly
Occasional missed alerts can occur under normal circumstances and will increase in wet conditions. The system does not need to be serviced due to an occasional missed alert. The number of mi ...

Bulb Replacement
For the proper type of replacement bulbs, see Replacement Bulbs. For any bulb changing procedure not listed in this section, contact your dealer. ...

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’s ...