Tonight we watched Cujo (1983)

My 10 year old daughter said it was just about 2 people sat in a car.

This is what we’ve seen with horror elements so far: -

Addams Family I and II (1991/93)
Alien (1979)
The Amazing Mr Blunden (1972)
Babysitter I and II (2017/22)
Beetlejuice (1988)
Cujo (1983)
Dr Who (2005-)
Five Nights At Freddy’s (2023)
Fright Night (2011)
Gremlins I and II (1984/90)
The Haunting (1999)
Hocus Pocus I and II (1993/2022)
I Know What You Did Last Summer I and II (1997/98)
It I and II (2017/19)
The Lost Boys (1987)
M3GAN (2022)
Pet Sematary (1989)
Prey (2022)
Shaun of the Dead (2004)
Stranger Things (2016-)
Wednesday (2022-)
The Thing (1982)

Thanks to everyone for all the suggestions. We will wade through them as best we can: -
https://moviechat.org/general/General-Discussion/66bf71bfd0430852c28fbd16/Can-anyone-suggest-some-Horror-films-for-my-10-year-old-daughter-to-watch