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| Insert radio release tools -T10057--arrows- into slots on operating electronics control unit for navigation -J402- until they engage. Pointed ends of grips must face outwards. |
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| Pull operating electronics control unit for navigation -J402- out of dash panel. |
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| Release and unplug electrical connectors at operating electronics control unit for navigation -J402-. |
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| Press release tabs on operating electronics control unit for navigation -J402- and remove radio release tool -T10057-. |
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| Plug in all connectors. |
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| Slide operating electronics control unit for navigation -J402- carefully into dash panel and engage it in mounting frame. |
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