Help with car seats my car seat does not fit snug in the rear seat what can i do ?

I have a universal car seat (0-4yrs) and the rear seats of the car dip is there anything i can do so it fits better? my partner is a policeman lol and he said he thinks its safe and feels solid aorry jeffery i did mean to mention that but thaks anyway
Answer
Go to ur nearest fire or police station, they will help.