Oct 25 (Reuters) - Toyota Motor Corp Executive Vice President Didier Leroy:
* free access to EU market for its UK plant is key
* committed to UK plant
* if Brexit talks move towards import, trade tariffs, will create big negative impact on competitiveness of UK plant
* if Brexit talks postponed repeatedly, will have negative impact
* does not see much growth in Japan in mid- longer term, but no plans to cut domestic production capacity
* not shifting more production back to U.S. from Mexico, using opportunity to open new plant with Mazda
* not playing politics in changing plant plans in Mexico Source text for Eikon: Further company coverage: (Reporting by Naomi Tajitsu)