2024-2025 Buick Envista Auto Start Stop Eliminator

If your Buick Envista turns Auto Stop/Start back on every time you start it, this inline memory harness solves that one problem: it remembers the last setting and restores it at the next ignition cycle. Coverage is the 2024–2025 Buick Envista. It plugs in line with the factory connector named in the instructions. Both ends are factory-style plugs, so nothing is cut or spliced.

The factory button stays in place and still works. Press it and the module stores the new choice. Unplug the module and the vehicle goes back to stock behavior.

Which Buick Envista models it fits

This part is listed for these vehicles, all marked 100% fitment match:

• Buick Envista: 2024–2025

For reference, the Buick Envista in these years is a compact crossover coupe offered with 1.2L turbo three-cylinder engines. The listing is written around the first-generation (2024-up) Envista. The table does not separate trims; what matters is that the vehicle has factory stop-start and the connector shown in the photos.

Why the button resets

The factory logic arms Auto Stop/Start every time the engine starts. Turning it off with the button only lasts until the engine is shut down. Owners who sit in stop-and-go traffic, tow, or idle in drive-throughs often prefer it off, and that is where the repeated button press comes from.

Conditions the factory system checks

The factory system will skip an auto stop for many reasons: battery charge below its threshold, cold coolant, high climate-control load, a steep grade, the hood or driver door open, or a 4WD or tow mode on vehicles that have them. Those checks stay in control after this module is installed. It does not force stops and it does not bypass any of those safety inputs.

Installation and removal

It plugs in line with the factory connector named in the instructions. Both ends are factory-style plugs, so nothing is cut or spliced. Because it is plug-in only, removal is the reverse: unplug the module and reconnect the factory connectors directly. Keep the original clips and trim fasteners if you remove a panel to reach the connector.

Battery notes for stop-start vehicles

The module draws its power from the vehicle and does not change charging behavior. If your Buick Envista sits for long periods, the same rules apply as without it: a maintainer helps, and a battery that tests weak should be replaced with the type specified for stop-start vehicles (usually AGM or EFB).

Why owners turn it off

Stop-start saves the most fuel in long idles, but plenty of drivers would rather keep the engine running. Common reasons: towing or hauling, where an engine restart under load is unwelcome; drive-thru lines and parking lots, where the engine cycles on and off every few feet; hot days, when the A/C compressor stops with the engine on many vehicles; and stop-and-go traffic where the restart delay is noticeable when pulling into a gap. On a compact crossover coupe, any of these can mean a button press at the start of nearly every drive.

Diagnostics first

If the setting is not remembered, check that the module was installed with the ignition off and that the connector clicked into place. Then press the factory button once, switch the vehicle off, close the doors, give the electronics time to shut down, and start again. If it still resets, contact support with the year, trim and a photo of the connector.

What to expect

• Fully reversible: unplug it and the vehicle returns to factory behavior.
• No tune, no reflash, no change to horsepower or shift points.
• Stores the stop-start choice you made last and repeats it at the next start.
• Keeps the original switch fully functional.

Confirm these points

• Model year and model match a row in the table above (2024–2025 Buick Envista).
• Your Buick Envista has the factory stop-start button. Base trims or engines without stop-start have nothing for the module to remember.
• The battery and charging system test good and no warning lights are on.
• No aftermarket remote start, alarm or gateway bypass is wired into the same circuit. If one is, email support before ordering.
• The connector at your install point matches the one in the product photos.
• If you are unsure, send your VIN to support@automotivebypass.com and we will confirm fitment.

Warranty and returns

Standard shipping inside the lower 48 states costs nothing; allow 1–2 business days of handling plus 3–4 in transit. Returns need approval first and must be requested within 45 days. Approved returns are subject to a 20% restocking fee, with return shipping paid by the customer. A 3-year limited warranty applies. Email support@automotivebypass.com (Mon–Fri, 9–5 PST) with your VIN if you want a fitment check.