Hummer H2. Manual - part 418

5. Install the radio. Refer to Radio Replacement in Entertainment.  

6. Install the I/P top pad. Refer to Trim Pad Replacement - Instrument Panel (I/P) Upper in Instrument 

Panel, Gauges, and Console.  

DESCRIPTION AND OPERATION 

NAVIGATION SYSTEM DESCRIPTION AND OPERATION 

Navigation System Description and Operation 

Navigation System Components 

The navigation system contains the following components: 

z

Navigation radio  

z

Global positioning system (GPS) antenna  

Navigation Radio 

This component acts as the operator interface for the audio system, provides the data input from the operator to 
the navigation system and provides navigation information to the operator via the display screen. The 
navigation radio, located in the center of the instrument panel, provides the following: 

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A display screen- All navigation and audio functions are displayed on this screen  

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The navigation system map with routing information displayed on the navigation radio screen  

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Audio system options and controls, displayed on the navigation radio screen  

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Provides verbal guidance to the operator  

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The DVD provides the map data for navigation and map route guidance  

z

Connection to the global positioning system (GPS) antenna, which provides the vehicle position 
information  

Global Positioning System (GPS) Antenna 

The global positioning system (GPS) antenna is located at the top center of the dash pad. The GPS antenna is 

Navigation Display Head

Controls

Function

Power

Push PWR/VOL knob to turn the radio ON

NAV

Displays the map guidance screen

NAV RPT

Repeats the last voice guidance message

SETUP

Displays the setup function for the navigation radio

Scroll/Select 

knob

Push to display menu/Move up/down and left/right to highlight selection/Push to 

select

Soft Key Buttons

Push to select the options listed on the navigation screen

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Navigation Systems - Hummer H2

  

powered through the same coaxial cable used to send the signals to the navigation radio. The GPS antenna 
collects data from the GPS satellites and routes this information to the navigation radio to be formatted into 
current position. 

GPS Reception 

The global positioning system (GPS) shows the current position of the vehicle. Tall buildings, large trucks, or a 
tunnel can obstruct GPS signals. Metallic objects on the dash can also cause interference. A GPS icon is located 
in the top left corner of the map display. If the GPS is valid, the icon will be green if not the icon will be gray. 
The GPS info screen will also show the condition of the GPS. If GPS reception in not received, it will show out 
of range. If the reception is received, the coordinates of your location will be shown. 

Route Guidance 

The map will display the route to the selected destination. Voice prompts alert the operator of upcoming events 
(turns) and arrivals at the destination. The navigation system will automatically recalculate if the route is not 
followed. The navigation radio uses data received from the global positioning system (GPS) satellites as well as 
the vehicle speed signal to accurately display the current position of the vehicle. 

Point of Interest (POI) 

Points of interests (POI) are locations that are frequently visited. Points of interest can be displayed on the map 
or set as a destination. The following is a few of the available POI: 

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Gas station  

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Restaurant  

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Museum  

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College  

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Police  

Map DVD 

The map DVD is loaded in the DVD slot above the display screen. Music CDs can also be played from this slot, 
however, route guidance and navigation will not be available when playing a music CD. The map DVD must be 
in for navigation and route guidance. 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Navigation Systems - Hummer H2

  

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2004 ACCESSORIES & EQUIPMENT

Doors - Hummer H2 

SPECIFICATIONS 

FASTENER TIGHTENING SPECIFICATIONS 

Fastener Tightening Specifications 

SCHEMATIC AND ROUTING DIAGRAMS 

POWER WINDOW SCHEMATICS 

Application

Specification

Metric

English

Door Check Link Bolts

9 N.m

7 ft lb

Door Check Link Nuts

9 N.m

7 ft lb

Door Handle Nuts

9 N.m

7 ft lb

Door Hinge Bolts

25 N.m

73 ft lb

Lock Actuator Bolts - Door

9 N.m

7 ft lb

Lock Striker Bolts

27 N.m

20 ft lb

Outside Mirror Bolts

25 N.m

19 ft lb

Window Clamp Bolts

9 N.m

7 ft lb

Window Regulator Bolts

9 N.m

7 ft lb

Window Run Channel Bolts

9 N.m

7 ft lb

Window Stabilizer Bolts

9 N.m

7 ft lb

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2

  

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2