GMC 2004 Canyon - Manual (Page 241)

5. Shift the transfer case to NEUTRAL.
See Four-Wheel Drive on page 2-26 for
more information.
6. Release the parking brake only after the vehicle
being towed is firmly attached to the towing
vehicle.
Notice: If you exceed 55 mph (90 km/h) while towing
your vehicle, it could be damaged. Never exceed
55 mph (90 km/h) while towing your vehicle.
7. Turn the ignition to LOCK. To prevent your
battery from draining while towing, remove the
RDO BATT and CLSTR fuses from the instrument
panel fuse block. Be sure to replace the fuse
when you reach your destination. See Fuses and
Circuit Breakers on page 5-104 for more information.
After towing see “Shifting out of NEUTRAL” under
Four-Wheel Drive on page 2-26.
Dolly Towing
Two-Wheel-Drive Vehicles
Two-wheel drive vehicles should not be towed with
the rear wheels on the ground. Two-wheel drive
transmissions have no provisions for internal lubrication
while being towed.
4-49