Check your car model for recalls.
Boslla LED Headlight Bulbs are spendy but look very effective and adjust to visibility conditions. Very cool. https://amzn.to/2UQTjAZ
Silicon lubricant for window rubber and Nu Finish polish in place of RainX for window for beading water.
Scotty recommends this product for keeping rubber parts on car supple.
Hybrid coolants are best, like the one used by Toyota.