Lower the cab temperature to match outside conditions
							                                
                                        
                                    
							                        
                    
                            Open windows to balance the temperature difference
							                                
                                        
                                    
							                        
                    
                            Be alert for signs of frost or ice on the road
							                                
                                        
                                    
							                        
                    
                            Assume the road conditions are the same as inside the cab