Automatic Transmission - GMC CHEVROLET Silverado 6500HD 2019 Owner's Manual

persists, see your dealer or
additional DIC messages may
display.
Service Exhaust Fluid System
If a problem occurs with the DEF
system, the DIC message SERVICE
EXHAUST FLUID SYSTEM - SEE
OWNERS MANUAL NOW displays
and will show the distance until
vehicle speed is limited.
The speed limitation will occur in a
series of steps, with the final speed
limitation being 8 km/h (5 mph)
accompanied by a flashing warning
light and chimes.
In some cases this message will
clear itself, indicating that the DEF
system was able to correct the
condition. If the message persists,
see your dealer or additional DIC
messages may display.
Service Emission System
If a problem occurs with the vehicle
emission system, the DIC displays
the message SERVICE EMISSION
SYSTEM - SEE OWNERS
MANUAL NOW and will show the
distance until vehicle speed is
limited.
The speed limitation will occur in a
series of steps, with the final speed
limitation being 80km/h (50 mph)
accompanied by chimes.
In some cases this message will
clear itself, indicating that the
emission system was able to correct
the condition. If the message
persists, see your dealer or
additional DIC messages may
display.
Driving and Operating
Automatic
Transmission
If equipped, there is an electronic
shift lever position indicator within
the instrument cluster. This display
comes on when the ignition key is
turned on.
There are several different positions
for the shift lever.
Heavy-Duty 6-Speed Automatic
Transmission Shown, Others
Similar
See Range Selection Mode under
Manual Mode 0 226.
P : This position locks the rear
wheels. Use P (Park) when starting
the engine because the vehicle
cannot move easily.
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