Chevrolet 1998 C/K Full-Size Pickup Owner's Manual page 261

To help avoid injury to you or others:
Never let passengers ride in a vehicle that is
Never tow faster than safe or posted speeds.
Never tow with damaged parts not
fully secured.
Never get under your vehicle after it has
been lifted by the tow truck.
Always use separate safety chains on each
side when towing a vehicle.
For pickups (except cab chassis models),
use T-hooks on front of vehicle, J-hooks
on rear.
front and rear of vehicle.
being towed.
For cab chassis models, use f-hooks
on
A vehicle can fall from a car carrier
if
it isn't
adequately secured. This can cause a collision,
serious personal injury and vehicle damage. The
vehicle should be tightly secured with chains or
steel cables before it is transported.
Don't use substitutes (ropes, leather straps,
canvas webbing, etc.) that can be cut by sharp
edges underneath the towed vehicle.
Don't have your vehicle towed on the drive wheels
unless you must. If the vehicle must be towed on the
drive wheels, be sure to follow the speed and distance
restrictions later in this section or your transmission will
be damaged. If these limitations must be exceeded, then
the drive wheels have to be supported on a dolly.
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