IO4 is the GM Regular Production Option (RPO) code for the base 4.2-inch color display infotainment configuration. It is the… Read more IO4

IO5 is the GM Regular Production Option (RPO) code for the non-navigation HMI infotainment configuration: 8-inch touchscreen with MyLink, IntelliLink,… Read more IO5

IO6 is the GM RPO code for the HMI infotainment configuration with embedded factory navigation. The hardware is the same… Read more IO6

UDV is the GM Regular Production Option (RPO) code for the 12.3-inch full-color reconfigurable digital instrument cluster. In GM’s official… Read more UDV

GM uses a family of “UQ” RPO codes to identify a vehicle’s factory audio system. The codes split into three… Read more GM Audio RPO Codes

GM uses a set of “UDx” RPO codes to identify which instrument cluster tier is installed in a vehicle. Cluster… Read more GM Cluster RPO Codes

Several frequently-encountered GM option RPO codes determine a vehicle’s telematics and connectivity hardware. These appear on the SPID label alongside… Read more GM Common Option Codes