Paccar 12-Speed, Operator'S Manual

Page: 19 / 45

4. Reduce engine brake level, see
Engine Brake Operation for a
Vehicle with Automated
Transmission
on page 17.
5. Re-initiate MAX mode, see Engine
Brake Operation for a Vehicle with
Automated Transmission
on page
17.
6. Select Neutral N , see Drive Neutral
Reverse Selector on page 13.
7. Select LOW mode, see Engine
Brake Operation for a Vehicle with
Automated Transmission
on page
17.
Engine Brake Operation
for a Vehicle with
Automated Transmission
Moving the lever clockwise will engage the
engine brake. Increase the amount of
engine brake by moving the lever further
clockwise. Each position has a
corresponding level of engine brake.
Position Amount of Engine Brake
Off 0 %
1 33%
2 66%
3 100%
Position Amount of Engine Brake
4* 100% AND will engage
transmission low gear
* This position is momentary
and will revert back to position
3 when the lever is released.
The corresponding engine brake level (or
MAX mode) will be illuminated in the
instrument cluster.
DRIVING - Engine Brake Operation for a Vehicle with Automated Transmission
Y53-1272-1B1 (08/17) 17
2