Possible Clues:

• Sound of animal rage -- in frenzy, this drives one uphill
• Transmission choice for driving uphill
• Change down into this mean outfit
• Poor clothing that's selected for climbing
• One might go down to this wage or start to look for work
• It's engaged while driving up or down a steep hill
• First or second tragedy to enfold over Grace
• Miserable stuff that will get you going?
• Aid in driving uphill
• Cattle sound effects that may be useful when driving uphill