Buick Regal: Diagnostic Information and Procedures

 Suspension Position Sensor Calibration

Calibration Criteria NOTE: Remove any excess weight and do not sit in the vehicle during the headlamp leveling sensor learn procedure. Any additional weight will cause the calibration of the front and rear suspension position sensors to be inaccurate and affect the operation of the headlamp leveling

 Tire Sidewall Labeling

Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall. Passenger (P-Metric) Tire Example Tire Size : The tire size is a combination of letters and numbers used to define a particular tire's width, heigh