The sealing rings are synthetic resin with chamfered ends. Check the condition of the sealing rings, and replace them only if they are worn, distorted, or damaged.
For a better fit, squeeze sealing rings together slightly before installing them.

Apply ATF to the new sealing rings, then install them on the secondary shaft.

After installing the sealing rings, verify the following:
The rings are fully seated in the groove.
The rings are not twisted.
The chamfered ends of the rings are properly joined.
Keys and Locks
On Sport model
Your vehicle comes with the two ignition keys.
All models except Sport
You should have received a key number tag with your keys. You will need this
key number if you ever have ...
Vehicle Storage
If you need to park your vehicle for an extended period (more than 1 month),
there are several things you should do to prepare it for storage.
Proper preparation helps prevent deterioration and mak ...
Removal (Part -3)
Remove the secondary HO2S harness bracket (A) from the steering gearbox.
NOTE: Do not disconnect the secondary HO2S 4P connector and the secondary HO2S.
...