4. Push the UP or DOWN button on the steering wheel until
"TRAILER TOW" appears on the screen.
5. Push the RIGHT arrow on the steering wheel to enter
"TRAILER TOW".
6. Push the UP or DOWN buttons until the Trailer Brake
Type appears on the screen.
7. Push the RIGHT arrow and then push the UP or DOWN
buttons until the proper Trailer Brake Type appears on
the screen.
Type of Trailer Brakes
Electric Trailer Brakes
Load
*Under 10,000 lbs
* The suggested selection depends and may change
depending on the customer preferences for braking perfor-
mance. Condition of the trailer brakes, driving and road state
may also affect the selection.
Light Electric
Heavy Electric
Electric Trailer Brakes
*Above 10,000 lbs
8. In a traffic-free environment, tow the trailer on a dry,
level surface at a speed of 20–25 mph (30–40 km/h) and
squeeze the manual brake control lever completely.
9. If the trailer wheels lockup (indicated by squealing tires),
reduce the GAIN setting; if the trailer wheels turn freely,
increase the GAIN setting.
Repeat steps 8 and 9 until the GAIN setting is at a point just
below trailer wheel lockup. If towing a heavier trailer, trailer
wheel lockup may not be attainable even with the maximum
GAIN setting of 10.
Light EOH
Electric over Hydraulic
Trailer Brakes
*Under 10,000 lbs
STARTING AND OPERATING
Heavy EOH
Electric over Hydraulic
Trailer Brakes
*Above 10,000 lbs
423
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