I have two questions. on 1999 Mazda Millenia

1) My car antifreeze boils up after 10 minutes when i am driving it but my car does not over heat
2) The car is automatic but is having problems shifting up, it hesitates

Asked by for the 1999 Mazda Millenia
1 answer
ck radiator cap and replave if necessary and ck trans fluid level and condition