Hamilton appeared to call Verstappen a "d**khead" on camera.
The Briton is chasing down German Sebastian Vettel in Baku.
The two drivers look set to tussle for the title.
Christian Horner's team is waiting for a new engine from Renault.
The season gets underway Friday in Melbourne.
Christian Horner sat down with Newsweek at the Red Bull factory ahead of the new Formula One season.
Verstappen finished fifth in the driver stands last year.
The Sky Sports pundits sat down with Newsweek ahead of the new season that starts March 26.
Verstappen is aiming to become the youngest F1 world champion in history.
Formula One enters a new era in 2017.
Hamilton suffered yet more technical issues at the Malaysian Grand Prix.