Well finally you found a coach, congratulations with you Newmar DP many safe traveling miles ahead for you.
Not sure I gave you anything on the KSDP so here is a
Brochure and
Owners Guide.
Driving the DP have good momentum before going up the hills and hold it to get over the top than its downhill to Houston, Texas.
Here is a link
for driving tips and use of brakes if needed.
Enjoy and safe travels.