One problem related to ignition module has been reported for the 2002 Buick Regal. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Buick Regal based on all problems reported for the 2002 Regal.
The contact stated the driver's seat heating elements were not working properly. He had not noticed any problems with the passenger's side. When placed on high or low the seat got very hot. At times when the selector switch was set to off the seat continued to overheat. Updated 11/29/2005 - the consumer pulled the fuse for the seat prior to taking it to the dealer. The dealer determined that the heated seat module was faulty. The ignition key does not release sometimes.