3 L4-2.5L (2010)
i. Align the edge of the top heater to the marks made earlier (indicated with circle).
ii. Place the bottom heater onto the cushion pad with a 5-10mm clearance from the edge (tolerance 10mm +/- 5mm).
iii. Adhere the bottom heater onto the cushion pad by placing the heater in alignment with both sides of the cushion pad (A) without a crease. Fit
the heater along the outline of the cushion pad shape (B).
iv. Attach the center part of the heater onto the cushion pad closely.