Automatic Start Stop Disable Switch for Cadillac XT6 2018-2021

Keep your Cadillac XT6’s automatic stop-start system permanently disabled when you prefer uninterrupted driving during traffic stops. Designed specifically for 2018 through 2021 XT6 models, this aftermarket plug intercepts the factory wiring to override the default programming, preserving battery charge and reducing repetitive starter wear. The harness connects directly behind the console, giving you reliable control without cutting OEM wires or altering dash integrity.

Benefits & Practical Tips

• Set-and-forget operation: After installation, start the engine while holding the brake pedal, wait three to six seconds without touching any buttons, then release the brake. The console red light will stabilize, confirming the system disables automatically for every subsequent drive.
• Manual override ready: Tap the physical center console button to reactivate the stop-start feature for a specific trip. Tapping again restores the permanent disabled state for future journeys.
• Durability focused design: Eliminating repeated cold starts minimizes stress on the crankshaft, alternator, and battery terminals, extending core powertrain longevity during city commuting.

Technical Specifications

Fits Cadillac XT6 model years 2018, 2019, 2020, and 2021. Routes between the factory button socket and the integrated wiring loom. Features a bright red LED confirmation light for active disabled status. Compatible only with vehicles equipped with an existing console “A off” switch.

Package Includes

• One stop-start disable switch cable assembly
• Upholstery-safe dashboard panel removal tool
• OEM-style wiring connectors and securing clips

Important Reminders

Verify that your factory center console already contains a dedicated stop-start toggle before purchasing. Vehicles without this existing button cannot accommodate this harness and will experience incorrect functionality. Always secure connections cleanly to avoid dashboard warning codes, and test the initialization sequence once before regular use.

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