The instructions are in the owners manual.
1. Turn the ignition on. DO NOT START THE ENGINE.
2. Wait until the safety belt warning light turns off (approximately
1–2 minutes).
• Step 3 must be completed within 50 seconds after the safety belt
warning light turns off.
3. For the seating position being disabled, buckle then unbuckle the
safety belt three times at a moderate speed, ending in the unbuckled
state.
• After Step 3, the safety belt warning light will be turned on for three
seconds.
4. Within approximately seven seconds of the light turning off, buckle
then unbuckle the safety belt.
• This will disable the Belt-Minder feature for that seating position if it
is currently enabled. As confirmation, the safety belt warning light will
flash 12 times in three seconds.
• This will enable the Belt-Minder feature for that seating position if it
is currently disabled. As confirmation, the safety belt warning light will
flash 12 times in three seconds.