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.
Heater Unit - Core Replacement Part-2
Remove the drain hose (A), then remove the mounting nuts and the blower-heater
unit (B).
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Driver's Seat Position Sensor Replacement
Removal
NOTE: Do not turn the ignition switch to ON (II), and do not connect the
battery cable while removing the driver's seat position sensor.
Do the battery terminal disconnection ...
Changing the Pairing Code
PHONE button
► Phone Setup ► Add/Select a phone
1. Select Edit under Pairing Code.
2. Select an item.
The following items are available:
• Random: Uses a randomly generated pai ...