Our parents have bought an A-Class Mercedes but mum is having trouble with engaging reverse gear. It's a 6-speed box with R in top left postion so the driver has to pull the stick up and push it away to engage. She doesn't have the strength or dexterity to do this. Can you suggest anything to help? They took your advice and didn't get an automatic when replacing their last car but are now thinking that's what they need to do.