Cadillac 2011 DTS Owner's Manual page 290

If your vehicle will be towing a trailer, the load
6.
from your trailer will be transferred to your
vehicle. Consult this manual to determine
how this reduces the available cargo and
luggage load capacity of your vehicle.
If your vehicle can tow a trailer, see Towing a
Trailer for important information on towing a
trailer, towing safety rules, and trailering tips.
5-20
Vehicle Capacity
A Weight for
Example 1 =
Subtract Occupant
B Weight @ 150 lbs
(68 kg) × 2 =
Available Occupant
C
and Cargo Weight =
1,000 lbs
(453 kg)
300 lbs (136 kg)
700 lbs (317 kg)