Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -2016 - crc - 11/6/15Instruments and Controls 129Voltmeter Gauge (BaseLevel Cluster Only)Standard Theme ShownWhen the ignition is on, this gaugeindicates the battery voltage.When the engine is running, thisgauge shows the condition of thecharging system. The gauge cantransition from a higher to lower or alower to higher reading. This isnormal. If the vehicle is operatingoutside the normal operating range,the charging system light comes on.See Charging System Light 0 131.Readings outside the normaloperating range can also occurwhen a large number of electricalaccessories are operating in thevehicle and the engine is left idlingfor an extended period. Thiscondition is normal since thecharging system is not able toprovide full power at engine idle. Asengine speeds are increased, thiscondition should correct itself ashigher engine speeds allow thecharging system to create maximumpower.The vehicle can only be driven for ashort time with the readings outsidethe normal operating range. If thevehicle must be driven, turn off allaccessories, such as the radio andair conditioner, and unplug allchargers and accessories.Readings outside the normaloperating range indicate a possibleproblem in the electrical system.Have the vehicle serviced as soonas possible.Safety Belt RemindersDriver Safety Belt ReminderLightThere is a driver safety beltreminder light on the instrumentcluster.When the vehicle is started, thislight flashes and a chime may comeon to remind the driver to fastentheir safety belt. Then the light stayson solid until the belt is buckled.This cycle may continue severaltimes if the driver remains orbecomes unbuckled while thevehicle is moving.If the driver safety belt is buckled,neither the light nor the chimecomes on.
