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Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10399647) - 2016 - crc - 5/25/16
194
Driving and Operating
Incorrect DEF/SCR System Malfunction (Type A) Warnings (cont'd)
Stage
Stage 1
Stage 2
Stage 3
Stage 4
Indicator light(s)
or
or
or
or
Warning buzzer
1 short beep
3 short beeps *1
3 quick beeps *2
Continuous beeping
Restriction
Vehicle speed:
89 km/h (55 MPH)
Vehicle speed:
56 km/h (35 MPH)
Vehicle speed:
56 km/h (35 MPH)
Vehicle speed:
8 km/h (5 MPH)
Remarks:
*1
–
The warning buzzer continues
to sound every 5 minutes.
*2
–
The warning buzzer continues
to sound every 5 minutes and when
driving 8 km (5 miles) or more, the
buzzer changes its sound to
continuous beeping.
When the exhaust system warning
light comes on DIC, promptly have
the vehicle inspected and serviced
at a dealer.