Interesting...maybe it's because you're in Canada? Jokes. I like Canada. Heading to Fort Erie later today for some tattoo work actually. But yeah, something with my packaging said 50,000 miles for normal driving. I plan on doing mine every 10,000 miles probably. Get a recharge kit and a nice soft wide (like 4-6 inch) paint brush. Use the paint brush first to brush off debris then follow the recharge kit instructions. You didn't need to do anything before install. They come pre-oiled.
Current- 2016 Race Red Focus ST1
Traded In - Sedan Revolution #249 - 2012 SE Sport - ╠╬╝ - Ingot Silver - 201A - K&N w/ snorkel delete - Blox Type R Knob