Chevrolet Suburban 2007 Owner's Manual page 414

Dolly Towing
Two-Wheel-Drive Vehicles
Notice: If you tow a two-wheel-drive vehicle
with the rear wheels on the ground, the
transmission could be damaged. The repairs
would not be covered by your warranty. Never
tow your vehicle with the rear wheels on the
ground.
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.
Two-wheel-drive vehicles can be towed on a dolly
with the front wheels on the ground provided
that the wheels are straight.
414
Four-Wheel-Drive Vehicles
If your vehicle is equipped with StabiliTrak
not designed to be dolly towed. If you need to tow
your vehicle, see "Dinghy Towing" earlier in this
section.
If your vehicle is not equipped with StabiliTrak
use the following procedure to tow your vehicle:
1. Drive the vehicle up onto the tow dolly.
2. Shift the transmission to PARK (P).
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