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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Wiring Systems And Power Management - Introduction) >> Description and Operation >> Retained Accessory Power (RAP) Description and Operation >> Serial Data Control of Retained Accessory Power (RAP) >> Vehicle Communication Interface Module (VCIM) (Onstar®)

Vehicle Communication Interface Module (VCIM) (Onstar®)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

VCIM RAP activation/termination is the same as radio operation with 1 exception; if there is an active call when the ignition key is turned off the VCIM will remain in RAP mode and keep the radio in RAP mode until the call is terminated.

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