6 The task of ser vicing tires and wheels can be e xtremely dangerous and should be perf or med b y tr ained personnel only using the correct tools and f ollo wing specific procedures F ailure to heed a w a r ning could lead to ser ious injur y or death SAFETY ALER T W ARNING This saf ety aler t symbol indicates impor tant saf ety w a r nings in this catalog When y ou see this symbol be aler t to the possibility of personal injur y or death and carefully read the message that f ollo ws