GMC 2012 Terrain Owner's Manual page 344

10-70 Vehicle Care
7. If you have a coin/pierce jack,
attach the jack handle extension
to the jack by sliding the hook
through the end of the jack and
insert the other end of the jack
handle into the wrench.
If you have a hex-head jack,
attach the jack lift-assist tool by
placing the hex of the jack
lift-assist tool over the hex head
of the jack.
Hex Head Jack and Wrench
Coin/Pierce Jack and Wrench
8. Raise the vehicle by turning the
jack handle clockwise. Raise the
vehicle far enough off the
ground so there is enough room
for the road tire to clear the
ground.
I n f o r ma t i o n P r o v i d e d b y :
9. Remove all of the wheel nuts.
10. Remove the flat tire.