power locks began to fail sporadically, won't lock by door switch or key fob. will unlock ok, key in door will only lock driver door. had mech change 3 bypass units and I signal receiver, worked ok for 5 days then stopped. any suggestions?
My car has 156000 miles.
My car has an automatic transmission.
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing