This arduino code is to control the Chevy Volts engine and DRLs with a Macchina M2 and NEXTION BASIC HMI DISPLAY model: NX3224T024 You can control the engine with touch screen display or cruse control buttons on steering wheel.
Video of code running and demo Macchina M2 read from SW_CAN send to HSCAN Chevy Volt Hold Mode Mod. https://www.youtube.com/watch?v=22PoknZjOPI
Testing My Volts hold mode hack with Macchina M2 https://www.youtube.com/watch?v=4K46nyR_ZDo