In October 2025, GM CEO Mary Barra confirmed what had only been rumored: Apple CarPlay and Android Auto will be… Read more GM’s End of CarPlay and Android Auto: What It Means by Model Year
How to Add 2019 Track Mode & GTLM Displays to C7 Corvettes (2014–2018)
C7 Corvettes can be upgraded with 2019 Track Mode and GTLM instrument cluster displays using OEM-correct hardware. This guide explains compatibility, requirements, and how 2014–2015 models can achieve full functionality with CarPlay and steering wheel control support.
Why GM Dealerships Usually Cannot Program Retrofit or Swap Features
Many GM owners are told to “just have the dealer program it” after a retrofit or swap. In reality, dealership programming is tightly restricted to a vehicle’s original build configuration. This Tech Note explains why most retrofits fall outside dealer capabilities — and the rare exceptions where limited changes are allowed.
Why Mirror Swaps Cause Camera Issues on GM Vehicles — And Why Calibration Often Fails
Swapped mirrors on a GM vehicle and now your cameras are cropped, guidelines are wrong, or an hourglass won’t clear? This tech note explains why calibration often fails after mirror swaps and why the real cause is a camera-processing configuration mismatch—not a defective camera or HMI.
Why Canadian-Spec GM Instrument Clusters Don’t Look Right in U.S. Vehicles — And How to Fix Them
Canadian-spec GM instrument clusters often display incorrect speed units, temperature scales, warning icons, and regulatory indicators when used in U.S. vehicles. This tech note explains why these differences exist, why simple programming does not fix them, and how an OEM-correct cluster replacement restores proper U.S.-spec operation.
Why an HMI 2.5 to HMI 3.x Upgrade Was Never Feasible on Most GM Vehicles
Many GM owners have asked why an “HMI 3.x upgrade” was never offered for HMI 1.1–2.5 vehicles. This article explains, in OEM-level detail, why such an upgrade was never technically viable for most platforms—and why WAMS refuses to sell solutions that only partially work.
Why Universal Aftermarket Digital Clusters Fall Short in Modern GM Vehicles
Universal aftermarket digital clusters often look impressive, but most don’t integrate correctly with modern GM electrical architecture. This tech note explains why GM clusters are control modules (not just screens), why Global A/Global B and CAN/CAN-FD differences matter, and why many “one-size-fits-all” clusters cause incorrect gauges, missing warnings, and unreliable vehicle behavior.
Can I Install a Full Digital “Refresh” Cluster in My 2019–2022.1 Silverado or Sierra? (The Truth)
Many 2019–2022 Silverado and Sierra owners ask if the full digital refresh cluster can be retrofitted. Here’s why it can’t — and what the correct OEM upgrade actually is.
Ghost Touches, Phantom Inputs, and Random Screen Behavior in GM Vehicles — What Actually Causes It (and What Doesn’t)
Ghost touches, phantom inputs, and random screen behavior in GM vehicles are commonly misdiagnosed. This guide explains why the touchscreen digitizer and controller are almost always the real cause — not the HMI
How to Add Steering Wheel Audio Controls to 2019+ Silverado & Sierra Trucks
Many owners of 2019+ Chevrolet Silverado and GMC Sierra trucks discover that steering wheel audio controls are missing, partially functional, or stop… Read more How to Add Steering Wheel Audio Controls to 2019+ Silverado & Sierra Trucks