Chevrolet 2007 Colorado Owner's Manual page 303

3. Put an automatic transmission in PARK (P)
or a manual transmission in FIRST (1).
4. Follow the dolly manufacturer's instructions to
attach and secure the vehicle being towed to
the dolly and then the loaded dolly to the
tow vehicle.
CAUTION:
{
Shifting a four-wheel-drive vehicle's
transfer case into NEUTRAL can
cause your vehicle to roll even if the
transmission is in PARK (P) for an
automatic transmission, or if your vehicle
is in gear, for a manual transmission.
You or others could be injured. Make
sure the parking brake is firmly set before
you shift the transfer case to NEUTRAL.
5. Shift the transfer case to NEUTRAL.
See Four-Wheel Drive on page 129 for
more information.
6. Release the parking brake only after the
vehicle being towed is firmly attached to
the tow vehicle.
7. Turn the ignition to LOCK.
If the tow vehicle will not be started or driven
for six weeks or more, remove the battery
cable from the negative terminal (post) of the
battery to prevent your battery from draining
while towing.
After towing see "Shifting Out of NEUTRAL"
under Four-Wheel Drive on page 129.
303