The System E champion suffered a sizeable shunt on lap 25 of 32 in Mexico when he ran nicely broad at Flip 7 and over the grass the place he slammed the rear of his automotive into the wall.
Da Costa, second within the factors coming into the race, managed to crawl his terminally broken DS Techeetah machine to the exit highway at Flip 8 to keep away from a late security automotive intervention.
The Portuguese has now revealed the reason for the uncharacteristic mistake to be an promoting banner that was ripped from the wall when Andre Lotterer and Alexander Sims collided.
This banner was first caught by Sims, who was pinched in opposition to the wall by the Porsche driver, earlier than it slid off and caught Lotterer after which ultimately made its strategy to da Costa.
Da Costa reckoned he had been “hanging on for my life” after the banner induced his brake temperatures to spike, which led to his eventual retirement.
He instructed Autosport: “Truthfully, I do not know what to say.
“I have been fairly fortunate in some events of my life and particularly the final couple of weekends, issues coming our manner.
“However what occurred at the moment, man…
“The Mahindra and Lotterer simply crashed into that wall and ripped out like 40 metres of sponsorship banner.
“It went to a few automobiles and it all the time got here free after which it landed on mine and stayed there. “It would not go.
“Then my brake temperatures went over the roof.
“I had no steadiness within the automotive anymore. It was so laborious to drive.
Antonio Felix da Costa, DS Techeetah, DS E-Tense FE21
Picture by: Sam Bagnall / Motorsport Images
“I used to be hanging on for my life there.
“I can not let you know all the things however principally with a banner being there, my automotive was very confused.
“These are very good and complex software program, and my automotive was not understanding in any respect what was happening.
“There’s extra to it than simply me making a mistake.”
Increasing on the difficulty, Lotterer, who labeled down in seventeenth, reckoned painted substitutes for the banners wanted to be launched to enhance security.
He instructed Autosport: “With Sims, we touched a bit.
“He handed me and he collected the banner after which that massive banner bought beneath my automotive.
“I misplaced all of the efficiency, and it was only a catastrophe.
“These banners are actually annoying as a result of there’s an excessive amount of plastic on the earth, proper?
“We must always paint them, and it seems unhealthy. It ruined a number of peoples’ races.
“Additionally, when it comes to security, we should always do one thing.
“There’s room for enchancment there undoubtedly.”
Sims retired from the race after the plastic wrapped round his brake disc to trigger a failure.