Show mechanical checkup jor for r cars urged A mechanical checkup of cars after long summer driving was recommended this week by E L harrig national service manager chevrolet motor division as a safety be measure with the end of the vacation period and the return or of children to schools most people drive more in the summer and many add considerable 8 sid Id mileage ly by long vacation trips said harrig it would certainly be wise vise tor for such owners to check their cars now and be sure they are mechanically B sate ate particularly with the return retura to children to school and increased activity on the streets harrig suggested 1 close examination of brakes and steering 2 general engine chassis and body inspection safety and traffic experts point out more than children will return to school in september and emphasize the necessity of extremely careful driving by motorists especially near school buildings |