1. Digital Display: Display speed, water temperature, instantaneous fuel consumption, hour fuel consumption 2. Performance Testing: Vehicle acceleration test 3. OBD2 Engine Diagnostic Functions: Data flow function display, display color configuration, fault code scanning, fault code clearance and other functions 4. Early Warning Function: Water temperature warning, over speed warning, shifting reminding early alarm and vehicle fault early alarm;bring car owners great convenience for safe driving. 5. Function of Clearing Fault Codes - Car owners can scan and clear regular vehicle fault codes at their discretion and reduce repair costs, without going to the 4S shop. Name:Head-up display Type:HUD head-up display Applicable model:General Motors Control mode:manual Resolution:HD Power supply mode:OBD port Input signal:OBD Operating temperature:-20-+85℃ Voltage:12V Compatible year:From 2000 to 2016 model This device based on OBD2 protocols, but it can not support J1850(J1850 PWM, J1850 VPM) Colour:Black Material:ABS+PC Package Contents: 1 * Head-up display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.