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DIAGNOSIS AND REPAIR Hyundai SONATA NF XM SET TOP BOX

PROCEDURE: A). When diagnosing a vehicle with an inoperative XM Set Top Box, check for water intrusion into the set top box. If no water damage is noted proceed with normal diagnostics. If water damage is noted then proceed to Step B. B). 1. Remove Set Top Box a. Gain access to trunk and remove trunk pad/carpet b. Remove 2 mounting screws attaching set top box to the body c. Disconnect box from harness 2. Visually inspect body for signs of water intrusion.

Without Sunroof or AMP With Sunroof and AMP 3. Note that water may enter at body seams, screw holes, body plugs, or weld joints. 4. Reseal all joints and any other suspect water entry point with appropriate body sealer sealant.