I've heard that a few people have automatically locking doors, either when put in Drive for the first time after being started or after going over a certain speed. Is there any way I can program my '94 LS400 to do this?

 

please notice most of those who have this are NOT in the US.
the US and Overseas electronic controls are somewhat different.

 

I see. I didn't notice that when reading about those cars. Looks like I will need to get an aftermarket alarm to get this feature.

 

I know my GS does that, but not my LS. I think my old GS also did that.

 

yea, Australian LS400 and Japanese Celsiors lock at 20 km/h, Don't see why you couldnt swap the door control comptuers over with a Aussie / Jap one.