
This light, a Driver Information Center (DIC) Message, and a chime come on when there is an issue with the DEF.
If the DEF issue has not been corrected, the light will continue to flash. The vehicle's speed may also be limited. See Diesel Exhaust Fluid.
Low Fuel Warning Light
Security LightTransmission Adaptive Functions Automatic Transmission Unit
The 6T70/75 transmission utilizes a line pressure controlsystem during upshifts to compensate for the normal wear oftransmission components. As the apply components within thetransmission wear or change over time, shift time (the timerequired to apply a clutch) increase or decreases. In order tocomp ...