2003 Pontiac Bonneville Owner's Manual - Page 164

Here are some things you need to know in order to help your vehicle pass an inspection: Your vehicle will not pass this inspection if the SERVICE ENGINE SOON light is on or not working properly. Your vehicle will not pass this inspection if the OBD (on-board diagnostic) system determines that critical emission control systems have not been completely diagnosed by the system. The vehicle would be considered not ready for inspection. This can happen if you have recently replaced your battery or if your battery has run down. The diagnostic system is designed to evaluate critical emission control systems during normal driving. This may take several days of routine driving. If you have done this and your vehicle still does not pass the inspection for lack of OBD system readiness, see your dealer or qualified service center to prepare the vehicle for inspection. Oil Pressure Gage United States Canada Readings above the shaded warning zone indicate the normal operating range. Oil pressure may vary with engine speed, outside temperature and oil viscosity. A reading in the shaded warning zone may be caused by a low oil level or another problem causing low 011 pressure. On vehicles with the systems monitor, the CHECK GAGES light will come on and a warning chime will sound. 3-49