1999 Buick Regal Owner's Manual - Page 117
1999 Buick Regal Manual
Page 117 highlights
yellowblue Instrument Panel Cluster Standard Cluster: United States Version Shown, Canadian Similar Your instrument cluster is designed to let you know at a glance how your vehicle is running. You'll know how fast you're going, about how much fuel is in your tank and many other things you need to drive safely and economically. 2-57