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ONSTAR BUTTON LED INOPERATIVE Test Description Does the system operate normally? Connections Go to Step 3 3 1. Leave the vehicle outside with the ignition ON or set to 2. Examine the navigation display for the GPS icon, indicating Does the system have GPS - Go to Step 9 Go to Step 4 4 Inspect the front window glass for - Go to Step 6 Go to Step 5 5 Remove the front window glass - Go to Step 9 - 6 Test the GPS antenna line for 200 ohms Go to Step 8 Go to Step 7 7 Replace the GPS antenna. Refer to - Go to Step 9 Go to Step 7 8 Replace the navigation radio. Refer - Go to Step 9 - 9 Operate the system in order to verify - System OK Go to Step 3
2007 Hummer H3 2007 ACCESSORIES AND EQUIPMENT Cellular, Entertainment and Navigation - H3
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