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Screen upgrade or retrofit module?

The two main built-in routes in the CARABC range change your vehicle in opposite ways. An OEM-style screen upgrade replaces the factory screen with a larger one. A retrofit module leaves the factory screen and system in place and adds CarPlay or Android Auto capability behind them. Neither is universally better; they answer different starting points, and most wrong orders come from choosing the route before checking which starting point you have.

The screen upgrade route

The upgrade kits are vehicle-and-system specific: the Expedition kit for SYNC 3 vehicles from 2018–2021, the Silverado and Sierra kit for 2019–2026 trucks, the Bronco kit for Sync4, the Tundra kit taking the screen from 8 inch to 14 inch, and the F150 and F250 kit for SYNC2 and SYNC3 trucks. Choose this route when the screen itself is the problem — too small, or the dashboard feels dated — and when your vehicle matches one of the published titles exactly.

The retrofit module route

Modules and retrofit kits are organised by system rather than by screen size: the BMW NBT EVO listing, the Porsche PCM 3.1 module, the Mercedes-Benz NTG listings, the Mazda P2 kit and the Infiniti module. All of them sit in the retrofit modules category. Choose this route when the factory screen and controls are fine and the missing piece is the phone integration itself.

Side-by-side questions

Making the call

Write down your vehicle, model year, system name and current screen size first; the route usually chooses itself once those four facts are on paper. If they are not, use the fitment confirmation guide, then send the result with your inquiry. Before placing an order, please confirm the minimum order quantity and the lead time that apply to your order.

Cost questions belong to the inquiry, in the right order

Buyers often ask for the price of both routes before establishing fitment for either, which produces numbers that cannot be acted on. The useful order is: establish the four facts, let the route choose itself, then ask for the confirmed price, minimum order quantity and lead time for that route and that vehicle. A module confirmed for your system and an upgrade kit confirmed for your dashboard are comparable purchases; two unconfirmed titles are not. If both routes genuinely remain open after the facts are in — it happens with some BMW and Mercedes-Benz vehicles — say so in the inquiry and ask for both to be confirmed side by side, so the decision is made on confirmed options rather than on titles.

One more fork: doing nothing yet

There is a third answer this comparison should admit: if neither title fits your vehicle today, the correct purchase may be no purchase. A portable touch screen covers the gap without pretending to be a built-in solution, and a vehicle outside every published title today may be covered by a later listing. Ordering a near-fit kit to avoid waiting converts a delay into a return, which helps neither side.

While the reply is on its way

Use the waiting time on the facts you will be asked about anyway. Photograph the dashboard as it stands, with the system information screen open, and note anything already changed in the dashboard — a replaced head unit, an added accessory, wiring from a previous installation. State your current screen size in the same message if you have not already. When the reply arrives, it can then confirm the route against the vehicle as it actually is, and the fitting can be planned against the confirmed lead time rather than a hoped-for date.