Thanks. Okay say Im able to get another sensor. How do I make sure nothing goes wrong? Also, would it be possible to simply remove the motor from the truck and use two 360 servos to move the wheels? Im limited to only using the kit so that means no h-bridge.

Easiest way to ensure the sensor isn't damaged accidently is to use solderless jumper wires, there is no chance of a short then (the main cause of damage to the sensors). They sell them in the EZ-Robot shop (or used to anyway) or on ebay. Push these on to the sensor's pins and the other end push on to the EZ-B pins. Make sure you get the correct ends, you want the ones which will push on to a standard pin header.

As for modified servos to drive the truck, you will be disappointed with the speed of the servos. You could easily just use the existing motors and connect to a H-Bridge (if you look at the photos in that topic you will see the jumper wires I mentioned earlier)

What would u suggest to make it automated? Is there a script so it can move and avoid obstacles on its own? Also I'm having trouble keeping the small servo attachment on the servo. It falls off after a few rotations. Would it be wise to hot glue it directly on to the servo?

Hey, you can use the screws provided with the servo to secure the plastic servo arm to the servo, and there are also other screws to secure the servo in your workplace Hot glue is an alternative solution, but screws are the most reliable solution for the right job and also to remove in the future.