- Inflate all tires to pressure indicated on placard
- Apply parking brake
- Turn ignition OFF
- Press and release regular brake pedal
- Cycle ignition from OFF to RUN 3 times ending in RUN
- Press and release regular brake pedal
- Turn ignition OFF
- Cycle ignition from OFF to RUN 3 more times ending in RUN. Horn will sound once
- Using a properly formatted TPMS scan tool, activate the sensors starting with the LF tire. Horn will sound once. Repeat this process moving clockwise to the RF,RR, and finishing with the LR
- Verify TPMS light is off
Source: The TPMS Forum http://www.thetpmsforum.com
Mercury Mariner TPMS Relearn and Reset