SIL ✓ Factory-verified

GMC · Regular Production Option

LPO, rear-seat entertainment portable media connectivity package, with integrated power

Years 2018–20, 2022–25 Models 3 Factory citations 9

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Also described as LPO, universal tablet holder, powered, with 2 USB power ports for the second rowLPO, universal tablet holder, powered, single, 2 USB power ports for second row

Also documented for BuickChevrolet

Documented applications

Acadia — Second generation (C1XX) (2017–2023) →

• 2018–2019 ✓ Factory-verified

  2019 guide: SLE-1, SLE-2, SLT-1, SLT-2, Denali: O

  ⛭ GM factory document — 2018 gmc acadia order guide copy gm authority, p.13, p.24.

  ⛭ GM factory document — 2019 gmc acadia order guide copy gm authority, p.14, p.26.

Sierra — T1XX (2019–2026) →

• 2019–2020, 2022–2025 ✓ Factory-verified
  ⛭ GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.13.

  ⛭ GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.14.

  ⛭ GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.14.

  ⛭ GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.14.

  ⛭ GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.16.

  ⛭ GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.14.

Terrain — Second generation (D2XX) (2018–2024) →

• 2019 ✓ Factory-verified

  SLE, SLE Diesel, SLT, SLT Diesel, Denali: O

  ⛭ GM factory document — 2019 gmc terrain order guide copy gm authority, p.33.

This page aggregates every documented appearance of SIL in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.