[bionictony]

i suggest a cheap torque wrench ($10 with coupon) with deep impact socket (use 20% off coupon). i use this for maintenance and as my emergency tool. the oem lug wrench is just ok to use. compared to this combo it is far better. stepping on the oem lug wrench may cause lug nut deformation.

http://www.harborfreight.com/1-2-half-inch-drive-click-type-torque-wrench-239.html
http://www.harborfreight.com/12-in-drive-21mm-deep-wall-impact-socket-67789.html