There are a few ways to put oil in a car mechanic simulator. The first way is to use the wrench. To do this, you need to find the right wrench for the job. The second way is to use a can of compressed air. To do this, you need to find an air compressor that is large enough to fit in the car. The third way is to use a vacuum cleaner and bucket. To do this, you need to find a vacuum cleaner that is large enough to fit in the bucket.