Some of you may recall stories 10-15 yrs ago of the impact that the Rugby tranmission aerial was claimed to have on Audis driving up the M1, I believe that some claimed that the engine stopped.
Well I have found something similar on the LS430. Driving on the M40 c. 1 mile east of Junc.2, (Beaconsfield), the alarm pings and the VSC warning light comes on. I have now replicated this 3 times in both directions. The alarm eventually goes off of its own accord, or on re-starting the car away from the area.
Lexus UK confirm that relatively high energy microwaves can cause this issue, e.g. they have examples around the military installations in Portsmouth. NB. An article in the Sunday Times 2 weeks ago described a new USA weapon which uses focussed microwaves to "kill" the electronics in weapon systems.
On my example at Beaconsfield, just north on the M40 at this point is an MOD/Govt centre which is known locally as a language centre, ( Gurkhas are seen locally), but there obviously may be more nefarious activities there.
Has anybody else had the symptom?