Without seat memory button. Step 1 Please clean the area and eliminates the substance before mounting this product. Step 2 To check the installation area according to the vehicle with this product first and then release the back of tape paper is removed. Step 3 Products are equipped on the vehicle with exactly and use a clean cloth to press evenly is attached. Step 4 Products within 24 hours after installed, please avoid washing your car and touching the water. In winter or cold area, the adhesive should be slightly heated before installation. After heating, the stability will be greatly improved. If the temperature is below 20 degrees Celsius, it is necessary to heat the adhesive.