Buick Regal: Diagnostic Information and Procedures

 Starting the Engine

Place the transmission in the proper gear. Caution: If you add electrical parts or accessories, you could change the way the engine operates. Any resulting damage would not be covered by the vehicle warranty. Move the shift lever to P (Park) or N (Neutral). To restart the vehicle when it is already

 Alerting the Driver

If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly. When this condition occurs, the collision alert symbol on the HUD will flash on the windshield. Eight beeps will sound from the front. Approaching and Following a