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
DIY-Friendly by Design: Most WAMS GM Upgrades Install Without a Dealer
Most White Automotive & Media Services products are designed for owner DIY installation using OEM-correct GM parts and VIN-specific programming. This tech note explains what is truly plug-and-play, when outside setup is required, and the clear path WAMS provides for both DIY owners and professional shops.
Why Steering Wheel Controls Often Break in CarPlay Retrofits — and How They Can Be Restored Correctly
Many GM CarPlay and Android Auto retrofits lose steering wheel control functionality. This tech note explains why that happens and how OEM-correct integration preserves full driver input behavior.
How to Add Apple CarPlay and Android Auto to a 2014–2015 C7 Corvette (The OEM-Correct Way)
2014–2015 Chevrolet C7 Corvettes were built before Apple CarPlay and Android Auto were available from GM. This tech note explains why these vehicles lack factory smartphone projection, how CarPlay and Android Auto can be added correctly using OEM GM hardware, and why proper steering wheel control support requires more than a basic retrofit.
Why Some 2016 GM Vehicles Don’t Have Apple CarPlay or Android Auto
Some 2016 GM vehicles equipped with IO5 or IO6 infotainment systems do not support Apple CarPlay or Android Auto due to a factory hardware split identified by RPO CPO. This tech note explains why the limitation exists, how to identify affected vehicles, and when an OEM-correct upgrade is possible.
Why a Blank Screen Doesn’t Always Mean a Failed HMI
A blank or frozen infotainment screen on GM vehicles is often misdiagnosed as HMI failure. This guide explains how the MOST bus ring works, why the Radio is the system master, and how failures in any node—amplifier, cluster, media player, or wiring—can take the system down.
Most WAMS Products Are Fully Plug-and-Play: A Clear Guide to When Outside Setup Is Needed
Most WAMS upgrades are fully plug-and-play and require no dealer involvement. Only Global B instrument clusters need simple outside setup due to GM’s security marriage procedure. This guide explains exactly what requires what — and why almost all WAMS products can be installed at home.
Understanding and Replacing Instrument Cluster Lenses on Modern GM Vehicles
An in-depth explanation of GM instrument cluster lens replacement, why lenses aren’t dealer-serviceable, how WAMS supplies new and refurbished options, and how to verify correct fitment.
GM Discontinued HMI Map Updates — But WAMS Still Offers the Final Release
When GM ended support for map updates on HMI-based infotainment systems, it left owners of factory navigation–equipped vehicles without a… Read more GM Discontinued HMI Map Updates — But WAMS Still Offers the Final Release