Devon and Cornwall Police said Mrs Pewter's death was being treated as a road trafficcollision and was being investigated by the serious collisions unit.
Police were called and found the man with critical injuries and the force said it was "currently investigating the possibility the man's injuries were the result of a hit-and-run road trafficcollision".
The Driver Awareness package, available on the ATS, the XTS and the SRX, includes Forward Collision Alert, Lane Departure Warning, Side Blind Zone Alert and Rear Cross Traffic Alert.