从国内镜像上下载 https://mirror.lzu.edu.cn/CRAN/src/contrib/car_3.0-7.tar.gz 然后本地安装。

尝试本地安装了之后还是出现了下面的错误
> install.packages("F:/time series/car_3.0-7.tar.gz", repos = NULL, type = "source")
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
ERROR: dependencies 'carData', 'abind', 'quantreg', 'maptools', 'rio' are not available for package 'car'
* removing 'D:/R-3.6.1/library/car'
Warning in install.packages :
  installation of package ‘F:/TIMESE~1/car_3.0-7.tar.gz’ had non-zero exit status

'carData', 'abind', 'quantreg', 'maptools', 'rio'，这几个逐个装完