Automatic Transmission - GMC 2001 Sierra 1500 Pickup Owner's Manual

Tow/Haul Mode Selector Switch

(Automatic Transmission)

Your vehicle is equipped with a tow/haul mode. The
selector switch is located on the end of the column shift
lever. You can use this feature to assist when towing or
hauling a heavy load. See "Tow/Haul Mode" in the
Index for more information.
2-28
Manual Transmission Operation
5-Speed (VORTEC 6000 V8 Engine)
FIRST (1) is intended only for heavy loads or trailer
towing and is not recommended for normal driving.
During the first 500 miles (805 km) of vehicle use, start
your vehicle moving in FIRST (1). This allows clutch
-
components to break in properly.
Here's how to operate
your transmission.