Amazing that the tire booklet is 31 pages long. For something as simple as tires, that sure is a long manual.
Well here you go, first hit from a Google search. You are totally covered.
Mileage Warranties & Limited Warranty
All MICHELIN® tires4 (both Replacement & Original Equipment) come with a limited warranty for treadwear, as well as a limited warranty which covers defects in workmanship and materials for the life of the original usable tread, or for 6 years from date of purchase, whichever occurs first. Mileage treadwear warranties vary by tire line. For the specific mileage treadwear warranty for your MICHELIN® tire, see Michelin Brand Mileage Treadwear Warranties.
http://www.michelinman.com/US/en/tires/warranty.html
Warranty summary PDF (mileage per line of tire)
http://media.michelinman.com/content/dam/tcar/michelin/us/pdf/michelin-promise-plan_limited_mileage_warranties_2016.pdf
And here you go the warranty description:
http://media.michelinman.com/content/dam/tcar/michelin/us/pdf/OE_Michelin_PassengerLightTruck_Warranty_REV_10-16.pdf
Treadwear
If a tire is covered and wears out evenly across the face of the tread
before delivering the warranted mileage, Michelin will replace the tire
with a comparable new MICHELIN® replacement tire on a pro rata basis.
This means that you will be responsible for paying a portion of the cost.
The Michelin tire retailer will determine the portion for which you will be
responsible by multiplying the percent of mileage received by the current
actual selling price at the adjustment location or the price of the tire in the
current Michelin Base Price List, whichever is lower. You will be responsible
for paying in-full the cost of mounting and balancing the tire, and the cost
of any other service charges and applicable taxes, including PAX Gel/Gel
3 packs.
Tires which wear out evenly before delivering the warranted mileage will
be replaced on a pro rata basis only if:
1. You are the original purchaser of the tires, you own the vehicle on which
they were originally installed, and the tires have been used only on that
vehicle;
2. The tires have been rotated and inspected every 6,000-8,000 miles
(10,000-12,000 km), or as specified by your vehicle manufacturer,
whichever rotation period is less, and the attached Mounting and
Rotation Service Record has been fully completed and signed.
3. The completed Service Record form, Original Owner/Tire Installation
Information form, and the original Invoice are presented to a participating
Michelin tire retailer at the time of adjustment claim, and
4. The tires have not become unserviceable due to a condition listed under
WHAT IS NOT COVERED.
HOW DO I GET A REPLACEMENT?
Take your tire to any MICHELIN tire retailer. The retailer will require that you
provide one or more the following:
1. The vehicle on which the tire was used,
2. Personal identification (e.g. Driver’s License),
3. Your vehicle registration,
4. Payment if you owe a pro rata share for the replacement,
5. A completed Service Record form, and Original Owner/Tire Installation
Information Form,
6. Your original invoice and copy of this Owner’s Manual, and/or
7. For treadwear replacement claims, documents showing that your tires
have been rotated and inspected every 6,000-8,000 miles (10,000-
12,000 km) or as specified by your vehicle manufacturer, whichever
rotation period is less, and the attached Mounting and Rotation Service
Record has been fully completed and signed.