See also:

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

Passenger Sensing System
Your vehicle has a passenger sensing system for the right front passenger’s position. A passenger airbag status indicator in the rearview mirror will be visible when you turn your ignition key to ...

Reporting Safety Defects toGeneral Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us. Please call us at 1-800-521-7300, or write: Buick Customer Assistance Cente ...