Cadillac 2011 CTS Coupe Owner's Manual page 435

4. Put the vehicle in P (Park) for
an automatic transmission
or in 1 (First) for a manual
transmission.
5. Securely attach the vehicle
being towed to the dolly.
6. Clamp the steering wheel in a
straight-ahead position with a
clamping device designed for
towing.
7. Turn the ignition to LOCK/OFF.
All-wheel-drive vehicles can only
be towed with all four wheels on a
trailer.
Use only lukewarm or cold water, a
soft cloth, and a car washing soap
to clean exterior lamps and lenses.
Follow instructions under Washing
the Vehicle later in this section.
Occasional waxing or mild polishing
of the vehicle by hand may be
necessary to remove residue from
the paint finish. Approved cleaning
products can be obtained from your
dealer.