You want to pick a company that produces reliable products when you pick you remote start. Something that will work reliably over time, and you won’t have to troubleshoot or even have to rip it out and do the entire installation over. A brand we recommend is Compustar. Below are some products.
Vais was an Toyota / Lexus exclusive Bluetooth/USB/Ipod interface manufacturer. Their products for Toyota/Lexus are probably the best you can buy. No glitches, problem free installation and full integration. If you are looking to add Bluetooth, USB or IPOD connectivity to your Lexus or Toyota, look to Vais
Do you have an old factory or old aftermarket 30 pin Apple dock plug in your car? Convert that plug into bluetooth, and then use any of the new Apple or Android devices in your car. Simple, and keeps the factory controls along with the highest fidelity sound.
Don’t limit yourself to the factory plug from 10 years ago!