Drive slowly, normally first gear.

This is a clip entering and going up the levels:



If turning left up a ramp then try to go to the right to get the angle up if you can.

Hill start skills very important here.

Make sure the clutch is slightly higher than normal and pulling forward before you release the handbrake.

This is a clip going up, reaching the top and coming down again:



As you go down, try to keep the gears engaged, you may need to dip the clutch if the car judders and you feel it is about to stall.

As it is only a short distance down you can use the footbrake without any serious risk of brake fade.

This is a clip going down the levels: