Hummer 2004 H2 - Manual (Page 286)

The tire pressure gage has
a reset button in the gage
stem. After taking a
pressure reading, press
the button to reset
the gage to zero.
Front Receiver
Your vehicle is equipped with a front receiver.
You can use the receiver with a power winch platform
(described later in this section), receiver extension
or with other accessories.
Never use the front receiver to tow a trailer.
You can use the front receiver to tow your vehicle
behind another. See Recreational Vehicle Towing on
page 4-65.
4-60