Lexus LS430 Cruise control speed limit
The 2001 LS430 Owner's Manual (http://drivers.lexus.com/t3Portal/document/om-s/OM50545/pdf/OM50545.pdf) refers to an upper limit of 85 MPH in terms of cruise control settings. Apart from that, there is no ECU limit or user-programmable upper speed limit. On some cars, you can program individual...