Cadillac 2011 STS Owner's Manual page 441

19. Stop at a safe location and check the tire pressure.
Refer to Steps 1 through 11 under Using the Tire
Sealant and Compressor Kit without Sealant to
Inflate a Tire (Not Punctured).
If the tire pressure has fallen more than 68 kPa
(10 psi) below the recommended inflation
pressure, stop driving the vehicle. The tire is too
severely damaged and the tire sealant cannot seal
the tire. See
If the tire pressure has not dropped more than
68 kPa (10 psi) from the recommended inflation
pressure, inflate the tire to the recommended
inflation pressure.
20. Wipe off any sealant from the wheel, tire, and
vehicle.
21. Dispose of the used sealant canister (E) and
sealant/air hose (F) assembly at a local dealer or
in accordance with local state codes and practices.
22. Replace it with a new canister available from your
dealer.
23. After temporarily sealing a tire using the tire
sealant and compressor kit, take the vehicle to an
authorized dealer within a 161 km (100 miles) of
driving to have the tire repaired or replaced.
To use the air compressor to inflate a tire with air only
and not sealant:
.
If a tire goes flat, avoid further tire and wheel damage
by driving slowly to a level place. Turn on the hazard
warning flashers. See
.
6-91