When your car has built-in FM/AM antenna in the rear/side glass, connect the power antenna control lead (blue) or the accessory power input lead (red) to the power terminal of the existing antenna booster.

• 当您的汽车在后/侧玻璃上有内置FM/AM天线时，请把电源天线控制导线（蓝色）或辅助电源线（红色）连到现有天线放大器的电源端子上。