Charging System LightThis light comes on brieflywhen the ignition key isturned to START, butthe engine is not running,as a check to show itis working.If it does not, have the vehicle serviced by yourdealer/retailer.The light should go out once the engine starts. If it stayson, or comes on while driving, there could be a problemwith the charging system. A charging system messagein the Driver Information Center (DIC) can also appear.See DIC Warnings and Messages on page 3-57 formore information. This light could indicate that thereare problems with a generator drive belt, or that thereis an electrical problem. Have it checked right away.If the vehicle must be driven a short distance with thelight on, turn off accessories, such as the radio and airconditioner.Up-Shift LightThe vehicle may havean up-shift light, it showswhen to shift to thenext higher gear forbest fuel economy.See Manual Transmission Operation on page 2-42 formore information.For the CTS-V, the tracer lights function as aperformance up-shift light.These tracers flash to indicate when to shift to thenext higher gear to avoid the engine speed limit.See Automatic Transmission Operation on page 2-37or Manual Transmission Operation on page 2-42for more information.3-37
