When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If under warranty, Lexus may tow it to the dealer for you. I would call Lexus customer assistance. Or take it to a Toyota dealer.
You could try disconnecting the battery for a minute and see if that clears everything. Or you just may need a new battery. Check its voltage.