Have your dealer reprogram the control module
 Posted by BrenTT on 2000-03-09 18:04:44:

 In Reply to: Locked In ! posted by Heidi S. on 2000-03-09 14:04:06

 I had the control module reprogrammed so that the doors automatically
 lock when you hit 15mph and then automatically unlock when you remove the
 key.

 -Brent