i have a problem... every few weeks my coolant bottle is more or less empty thing is i can see any leaks anywhere also for the past few weeks when its been cold theres constantly been white steamy smoke stuff coming out of my exhaust (have a video if needed) could my hg be knackered? the smokey stuff isnt thick just what i thought u normally get first time you start your car each day but i could be wrong . thanks for any replies