You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: car_grammar_init.m
    path of file: ./repos/voc-dpm/car_grammar
    
    the code of the file until where you have to start completion: function model = car_grammar_init()

% AUTORIGHTS
% -------------------------------------------------------
% Copyright (C) 2011-2012 Ross Girshick
% 
% This file is
    
function M = make_car_grammar(front, side)
%
%cls = 'car';
%note = 'car grammar';
%% initialize a model
%M = model_create(cls, note);
%M.interval = 10;
%M.sbin = 8;
%%% start non-terminal
%[M, Q] = model_add_nonterminal(M);
%M.start = Q;
%
%% Left-side (looking head-on at the car) part filter
%num_LSPF = 21/3;
%w = side.filters(1).w;
%
%% Build filter slices
%for i = 1:num_LSPF
%  LSPF_w{i} = w(:, 3*(i-1)+1:3*i, :);
%end