Aug 18 (Reuters) - GM GM.N :
* Says expanding safety recall from November 2014 to add 159,584 2005 model
year buick lacrosse and 2007 model year Pontiac grand prix in the U.S
* Says vehicles being recalled could intermittently or permanently lose low
beam headlamps
* Unable to confirm any crashes, injuries or fatalities related to condition;
including 20,920 vehicles in canada,recall expansion totals 180,504
* Further company coverage GM.N