you have the first gen. you can tell the difference by the grilles
You can find the replacement bulbs here:
US SpeedoŽ - Speedometer LED Bulbs Kit - 2004 Chevy Aveo US SpeedoŽ - Speedometer LED Bulbs Kit
EBay. Order them from there they have all kinds of colors. They have red. You just need to know how many of the bulbs I know for the t10 bulbs your safe with 5. And you need only one t5 for the odometer.