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Car Modules

Car modules are the new trend in the connectivity of vehicles. They provide a way for people to connect their smartphones and tablets to their vehicles, either through a wired connection or wirelessly, and access information such as directions, music, and even social media. Browse the top-ranked list of car modules below along with associated reviews and opinions. 

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  1. Compustar - Data Bypass Module for Most Remote Start/Security System Controllers - Black

    SKU: JXC4YHZ7PJ

    Product Description

    A black plastic module enabling seamless communication between remote start systems and your vehicle’s onboard computer.
    See all Remote Start Key Fobs
    Your price for this item is $99.99

  2. Viper - SmartStart Pro 2-Way, 4G Smartphone Compatible, GPS Module - Black

    SKU: J7Q8KPXHPQ

    Product Description

    A black GPS module enabling 2-way remote start, keyless entry, and car tracking via smartphone app.
    See all Remote Start & Security Systems
    Your price for this item is $179.99
    Save $40
    The previous price was $219.99

  3. PAC - Universal Trigger Output Module - Black

    SKU: J2VYGV2K79

    Product Description

    A black module offering programmable positive and negative trigger outputs for simplified car electronics installation.
    See all Radio Replacement Modules
    Your price for this item is $65.49
    Save $14
    The previous price was $79.99

  4. Metra - Axxess Data Interface for Select 2001-2018 Mercedes Vehicles - Multi

    SKU: J7RX7Y3QCQ

    Product Description

    A multi-color data interface enabling multimedia radio outputs and audio controls for select 2001-2018 Mercedes vehicles.
    See all Deck Interfaces
    Your price for this item is $76.99
    Save $23
    The previous price was $99.99

  5. Compustar - 2-Way CSX5305S-KIT Remote Start System/LTE Module - Installation Included - Black

    SKU: J39HXJF92H

    No more cold car in the winter....This remote start / keyless entry is the perfect solution to having a warm car in the winter and a cool car in the summer....Car remote starter...The car remote starter...

    Product Description

    A black two-way remote start system offering smartphone control, keyless entry, and advanced smart start features.
    See all Remote Car Starters
    Your price for this item is $649.99

  6. Directed Electronics - T-Harness for Select Scion and Toyota Vehicles - Black/White

    SKU: J7Q8KPXTPJ

    Product Description

    A black and white T-harness enabling easy remote start module installation for select Toyota and Scion vehicles.
    See all Remote Start & Security Systems
    Your price for this item is $109.99

  7. Directed Electronics - DS4/DS4+ T-Harness for Select Mazda Vehicles - Black

    SKU: J7Q8KPX6VX

    Product Description

    A black T-harness enabling easy remote start module connection for select 2013–2017 Mazda and Scion Smart Key vehicles.
    See all Remote Start & Security Systems
    Your price for this item is $69.99

  8. Maestro - APX-S8-GM4 Dash & Wiring Kit - Black

    SKU: JXC4YHZSJW

    Product Description

    A black dash and wiring kit enabling seamless installation of 8" aftermarket stereos with factory controls.
    See all Dash Installation Kits
    Your price for this item is $229.99
    Save $50
    The previous price was $279.99

  9. Maestro - APX-S8-GM2 Dash & Wiring Kit - Black

    SKU: JXC4YHZPFQ

    Product Description

    A black dash and wiring kit enabling seamless integration of aftermarket stereos while retaining factory controls.
    See all Dash Installation Kits
    Your price for this item is $229.99
    Save $50
    The previous price was $279.99

  10. Maestro - VW1 Installation T-Harness for Select Volkswagen and Audi Models 2002-2016 with Head Unit Connectors - Black

    SKU: JXC4YHZ8KP

    Product Description

    A black plug-and-play T-harness that retains factory features and supports aftermarket radio installation in select vehicles.
    See all Deck Harnesses
    Your price for this item is $49.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.