Not that often, 2 times in 2 years. You can do all the screen setups and alarms on the unit. The computer just gives you a bigger screen to do the setups. The only real advantage with the computer is being able to do software updates.

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2008 Dodge 2500HD 6.7L 4X4 Laramie
Edge insight, Amp tailgate step, 4" Boss Bars, rear air bags with compressor, spray in bed liner