1.OE Cruze GPS displayer, compatible with the OE radio system. 2.Keeps the OE radio system. 3. Dual working zone. . 1.GPS navigation. 2. Keeps the OE radio system. 3.CD player 4.Compatible with the OE radio sytem, supports CD, BT, RDS etc. 5. CPU is ARM 11, main chip set is SIRF ARM 11. 6.HD LCD displayer.