Chevrolet Low Cab Forward 2023 Manual page 159

158 Driving and Operating
Stage
Indicator light(s)
Restrictions None
DEF Tank Level is Low/Empty (cont'd)
Stage 1 Stage 2
- Engine torque is reduced
by 25%
Stage 3
- Engine torque is reduced Vehicle speed is limited to
by an additional 1% per 8 km/h (5 MPH)
minute up to a maximum
Vehicle speed is limited to
reduction of 40% of
8 km/h (5 MPH)
specified torque
Stage 4