Can't beat level 40 of The Simpsons Hit & Run? Well, here's a guide to help you out!

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Step 1. Talk to Krusty

Step 2. Follow Professor Frink's vehicle - Be sure not to get too far away

All done! Yes... The mission was just following Professor Frink's car. Below are some tips to help you out with this!

Tips - Cutting across corners and grassy plains will help you to keep up with Professor Frink's vehicle
When you have chance, ram Professor Frink's vehicle. This will slow him down, making it much easier to keep up with him
If you fall quite far behind, there are a few shortcuts which can be taken. These are shown in the video below

Below is a video showing all of the above steps and tips to completing the mission