Overview: Back-ache Driving: thousands of motorists suffer as a result of poor car seat design. Dr. Bernard Watkin highlights some of the common faults. Six Months On: the Metro and Escort are not now the cars they were when launched last year. Judith Jackson outlines some of the significant changes. Ted Clements , Senior Examiner of the Institute of Advanced Motorists, demonstrates good driving techniques. Back to the Drawing Board: owners tell Frank Page of design faults in their cars. What's New: with Sue Baker