Note: 1. UA13 Plus is Double Din Head Unit. Please measure your dashboard size. If the installation size of your car dashboard matches 178mm(Width) * 100mm(Height) and your car’s connector is an ISO connector, this unit can be installed directly. If not, you need to install it via a mounting kit or wire harness. The mounting kit or wire harness need to be purchased separately. 2. The unit supports analog SWC (steering wheel control) signal. If your car is controlled by digital signal, then a SWC adapter cable(not included) is needed to transfer the digital signal to analog signal. Otherwise, you will not be able to use the steering wheel control function. .