Cadillac 2010 CTS Sport Sedan Owner's Manual

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4-26 Instruments and Controls. The vehicle will not pass thisinspection if the OBD II(on-board diagnostic) systemdetermines that critical emissioncontrol systems have not beencompletely diagnosed by thesystem. The vehicle would beconsidered not ready forinspection. This can happen ifthe battery has recently beenreplaced or if the battery has rundown. The diagnostic system isdesigned to evaluate criticalemission control systems duringnormal driving. This can takeseveral days of routine driving.If this has been done and thevehicle still does not pass theinspection for lack of OBD IIsystem readiness, yourdealer/retailer can preparethe vehicle for inspection.Brake SystemWarning LightThis vehicle's hydraulic brakesystem is divided into two parts.If one part is not working, the otherpart can still work and stop thevehicle. For good braking both partsneed to be working well.If the warning light comes on, thereis a brake problem. Have the brakesystem inspected right away.United States CanadaThis light should come on brieflywhen the ignition is placed inON/RUN. If it does not come onthen, have it fixed so it will be readyto warn if there is a problem.When the ignition is on, the brakesystem warning light will also comeon when the parking brake is set.The light will flash or stay on if theparking brake is not fully released.If the light stays on after the parkingbrake is fully released there is abase brake problem.{ CAUTIONThe brake system might not beworking properly if the brakesystem warning light is on.Driving with the brake systemwarning light on can lead to acrash. If the light is still on afterthe vehicle has been pulled offthe road and carefully stopped,have the vehicle towed forservice.