You will be looking for a micro container that contains a log only so BYOP. GZ can be a busy spot so be careful. What kind of loser keys a car ?
At the posted coordinates you will find yourself in front of a sign. To get to the final you will need the last 3 digits in the phone on the sign. Divide the 3 digit number by 1000 and add it to the following coordinates : N 43 9.823 W 79 29.495 Be stealthy.