SIMPLE STEPS -Tpms Reset tool You program all tires much easier with just 3 steps: Step 1 - Activate lean mode; Step 2 - read information about the tire pressure sensor; Step 3 - Same method to read other tire pressure information. EASY ACTIVATION - Simple, quick and easy to use, the tire pressure monitor sensor activation tool activates the single TPM sensor with the push of a button. USER NOTES - Before using this TPMS activation reset tool, please make sure your vehicle is in TPMS learning mode. Hold the tool against the sidewall of the tire near the valve core. Hold the tool against the sidewall of the tire and press the button until you hear a honk sound from the car. CHECK CAR MODEL - Please check your car model if it is compatible in the last pictures. The tire pressure monitoring sensor cannot be used for trucks. The TPMS tire pressure sensor on 2012 and later models can only be read with certain diagnostic tools.