You go to the ski hill and at the back of it there is a sign that says "Test Run" take out the sled and click on the sign.
Test it in a secret mission.
Test slope at the top of ski hill. i hope this helped. : D
In mission 2 you test drive gs sled and crash
JellyBean
try (:p)-/-{
the answer is mogul
mogul
in a tree
Mogul
In the shelter.
in the cave
mogel