Cadillac 2010 CTS Owner's Manual

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Instruments and Controls 4-23If, after several seconds, both statusindicator lights remain on, or if thereare no lights at all, there may be aproblem with the lights or thepassenger sensing system. Seeyour dealer/retailer for service.{ WARNINGIf the airbag readiness light evercomes on and stays on, it meansthat something may be wrongwith the airbag system. To helpavoid injury to yourself or others,have the vehicle serviced rightaway. See Airbag ReadinessLight on page 4‑21 for moreinformation, including importantsafety information.Charging System LightThe charging system light comes onbriefly when the ignition is turned onbut the engine is not running, as acheck to show the light is working.It should go out when the engine isstarted.If the light stays on, or comes onwhile driving, there may be aproblem with the electrical chargingsystem. Have it checked by yourdealer/retailer. Driving while thislight is on could drain the battery.When this light comes on, the DriverInformation Center (DIC) alsodisplays a message.See Battery Voltage and ChargingMessages on page 4‑37.If a short distance must be drivenwith the light on, be sure to turn offall accessories, such as the radioand air conditioner.MalfunctionIndicator LampA computer system called OBD II(On-Board Diagnostics-SecondGeneration) monitors operation ofthe fuel, ignition, and emissioncontrol systems. It ensures thatemissions are at acceptable levelsfor the life of the vehicle, helping toproduce a cleaner environment.This light comes on when theignition is on, but the engine is notrunning, as a check to show it isworking. If it does not, have thevehicle serviced by your dealer/retailer.