Apartment Building, Residential La Mesa, CA – Car fire at apartment complex controlled with help from sprinkler system March 29, 2016 viking210 A car fire at a La Mesa apartment complex was knocked down by a sprinkler system and quick work by firefighters before it could do any structural damage, Heartland fire officials said Saturday. Firefighters from La Mesa, El Cajon and Cal Fire responded to the blaze shortly after 8 p.m. Friday at the Alterra Apartments in the 8700 block of Fletcher Parkway, according to Heartland Fire spokesman Sonny Saghera. The fire sprinkler system was already activated when firefighters arrived within four minutes of being dispatched, Saghera said. It took fire crews less than 10 minutes to get the car fire out and the sprinkler system off before any damage was done to the apartment units above the garage. There were no injuries, evacuations or water damage, and no damage to other vehicles. The cause and damage amount were not released by Heartland Fire.