Hummer H2. Manual - part 2100

Fig. 39: Seat Latch Cover 
Courtesy of GENERAL MOTORS CORP. 

11. Install the latch cover (1) to the seat. 

Tighten: Tighten the screw to 2 N.m (18 lb in). 

12. In order to secure the seat back, manually rotate the center latch. Rotate the latch until the seat back clicks 

into position.  

13. Install the seat to the vehicle. Refer to Seat Replacement - Rear No. 2 in Seats.  

DESCRIPTION AND OPERATION 

SEAT BELT SYSTEM DESCRIPTION AND OPERATION 

CAUTION: To help avoid personal injury from unrepaired crash damage to a restraint 

system, perform the seat belt check for each seat belt system. Replace the 
seat belt system if there is any doubt about the condition of system 
components.

 

2004 Hummer H2 

2004 RESTRAINTS Seat Belts - Hummer H2

  

Front Seat Belt System Operation 

1. The front seat belt system includes a driver and\or passenger seat belt retractor and buckle.  

2. The LF seat belt system, includes a seat belt switch in the LF seat buckle which controls a seat belt 

indicator and an audio alarm. When the LF seat belt is buckled, the LF door closed, and the ignition 
switch is in the ON position, the following events occur: 

z

The audio alarm will not operate.  

z

The seat belt indicator will not operate.  

3. When the LF seat belt is not buckled, the LF door closed, and the ignition switch is in the RUN position, 

the following events will occur: 

z

The audio alarm will operate for 4 to 8 seconds and then turn OFF.  

z

The seat belt indicator will operate for 20 seconds, until the LF seat belt is buckled.  

z

The seat belt indicator will flash for an additional 55 seconds before turning OFF. 

To diagnose further failure of the seat belt indicator refer to Symptoms - Seat Belts or the audio 
alarm, refer to Audible Warnings in Instrument Panel, Gauges and Console. 

Child Seat Restraint System 

The child seat may only be used in a forward facing seating location. The child seat should be installed and 
secured according to the manufacturer's directions. If the child seat has a top strap it will need to be anchored. 

All vehicles are equipped with a dual-mode type retractor with emergency and automatic locking features. The 
automatic locking feature is for restraint of a child seat. The child seat can be secured by pulling the seat belt all 
the way out to lock it. Then, tighten the seat belt around the child seat. 

If a child seat is to be used in the second seat position, a special dealer-installed anchor must be used to anchor 
the child seat top strap. (This only applies to the seats designed with the top strap provision and for the vehicles 
sold in Canada). In order to assure the correct top strap angle, the child seat is only to be used at the seating 
position for witch the top strap anchor is installed. 

Seat Belt System Circuit Description 

The seat belt indicator will illuminate when the following conditions occur simultaneously: 

CAUTION: A child in a rear-facing child restraint can be seriously injured if the right-

front passengers air bag inflates. This is because the back of a rear-facing 
child restraint would be very close to the inflating air bag. NEVER use a 
rear-facing child restraint in this vehicle. If a forward-facing child restraint 
is suitable for your child, ALWAYS move the front passenger seat as far 
back as it will go and then install the child restraint. Be sure the child 
restraint position does not conflict with any additional requirements 
provided by the manufacturer. For more information, refer to the vehicle 
owners manual and the instruction that came with the child restraint.

 

2004 Hummer H2 

2004 RESTRAINTS Seat Belts - Hummer H2

  

z

The ignition switch is in one of the following positions: 

{

RUN  

{

BULB TEST  

{

START  

z

The LF seat belt is not fastened.  

The audio alarm, located within the radio/amplifier, also incorporates an indicator within the instrument panel 
cluster (IPC). The seat belt indicator works in conjunction with the audio alarm. When the SDM receives a 
signal that the LF seat belt is unfastened, the SDM sends a signal to the IPC to command ON the seat belt 
indicator and to the radio/amplifier to command ON the audible alarm.

 

2004 Hummer H2 

2004 RESTRAINTS Seat Belts - Hummer H2

  

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