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

 Doing Your Own Service Work

Warning: It can be dangerous to work on your vehicle if you do not have the proper knowledge, service manual, tools, or parts. Always follow owner's manual procedures and consult the service manual for your vehicle before doing any service work. If doing some of your own service work, use the proper