Tesla S Owner's Manual page 162

Using Tire Chains
Tesla has tested and approved Maggie Group
Trak Sport P217 tire chains to increase traction
in snowy conditions. These chains should only
be installed on rear 19" tires. Do not use chains
on 21" tires or on front tires. The approved tire
chains can be purchased from Tesla.
When installing tire chains, follow the
instructions and warnings provided by the tire
chain manufacturer. Mount them evenly and as
tight as possible.
When using tire chains:
• Inspect the tire chains for loose fittings
and damaged links before each use.
• Avoid heavily loading Model S (heavy
loads can reduce the clearance between
the tires and the body).
• Do not drive the vehicle without the
chains properly installed.
• Drive slowly. Do not exceed 30 mph
(48 km/h).
• Remove the tire chains as soon as
conditions allow.
Note: Tire chains are prohibited in some
jurisdictions. Check local laws before installing
tire chains.
Caution: Using non-recommended tire
chains, or using tire chains on other sized
tires can damage the suspension, body,
wheels, and/or brake lines. Damage
caused by using non-recommended tire
chains, or incorrectly installing tire chains,
is not covered by the warranty.
Caution: Do not use chains on a Model S
equipped with 21" tires and do not use
tire chains on front tires.
Caution: Never deflate your tires to put on
tire chains. When re-inflated, the chains
might fit too tightly and cause tire
damage.
Caution: Ensure that the tire chains
cannot touch suspension components or
brake lines. If you hear the chains making
unusual noises that would indicate
contact with Model S, stop and
investigate immediately.
Maintenance
Tire Care and Maintenance
161