Follow live coverage of FP3 and the rest of Mexican Grand Prix weekend from the Autodromo Hermanos Rodriguez with F1i.
The final practice session of the weekend is set to take place in dry and clear conditions, with teams set for a busy hour as they attempt to improve car set-ups on a circuit which is very low on grip.
Lewis Hamilton described the circuit as "like a go-kart track" after Friday's running, while Kimi Raikkonen said he felt "more like a rally driver than an F1 driver" during the first two practice sessions.
The low grip levels appear to be playing in to the hands of Red Bull, with Daniil Kvyat and Daniel Ricciardo in the top five of both of Friday's sessions, although it was Max Verstappen and Nico Rosberg who topped the times. However, Rosberg highlighted one of the challenges of the Autodromo Hermanos Rodriguez when his rear brakes caught fire in FP1.
While the session should remain dry, qualifying could well be a different matter with thunderstorms in the area and a risk of rain this afternoon.
Formula One returns to Mexico for the first time since 1992, with the refurbished circuit in Mexico City having previously hosted a round of the world championship from 1963-70 and 1986-92.
The teams will face a unique challenge at the Autodromo Hermanos Rodriguez, with the circuit situated 2219 metres above sea level, with the altitude impacting on downforce. While the cars will run maximum downforce, the difference in air pressure means they are predicted to perform as if using Monza-specification low downforce levels.
You can follow all the live coverage on F1i's live page, which can be bookmarked as it will provide commentary on every session of the 2015 F1 season.
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