It appears the main key's button battery (※can still be used for locking even without it) is dead, so the red LED lamp is not illuminated. Please replace the battery as needed. Cleaned as much as possible, including rinsing with water, drying for several days, and wiping with alcohol wipes, to remove gravel, etc. Product Number 32698 Size (Inner Dimensions) W154 x H220mm Standard Price (Tax Included) 7,150 yen ◆Product Description Protect your precious vehicle with a sturdy body and thick shackle! Uses 16mm round steel, a reassuring thickness that is difficult to cut. The cushion rubber prevents damage to the wheels. The key uses a 7-disc cylinder key that is resistant to picking. Features an LED light for convenience at night. The shackle is connected at two points, making it difficult to remove. The keyhole has a shutter to protect it from dust and rain. ・Includes 3 keys (with LED key) 　※Only 1 with LED ‹ Reference Tire Sizes › 　◦160/60-17 　◦180/55-17 　◦190/55-17 ※With the key fully inserted, the key can be rotated approximately 180° in the unlocking direction to remove the U-shaped shackle. ※If the key is not fully inserted, the key will only rotate about 90° in the unlocking direction. It is structurally impossible to rotate it further. Forcing it may damage the key. ※Keys cannot be duplicated.