I have a 2007 Lexus SC and am having trouble in two areas – resetting the tyre pressure and opening the "trunk" lid. I have put four new tyres on the car and the tyre pressure management system light has come on. I have pressed the reset button but nothing has happened. The details set out in the Lexus manual start off by saying "ensure selection switch located in the glove box is set to "main" or 2nd to match the correct tire/wheel combination". Mine is a right hand drive car but it has no switch located in the glove box nor does it have any other switch which could be "main" anywhere else on the dashboard or underneath. The second issue is possibly linked to this. I have pressed the trunk lid "open" button which, in the past, has worked perfectly properly in opening the boot but now has not responded at all. Looking at the manual it says "to open the trunk lid while sitting in the driver seat, push the switch with the main switch in the glove box on". Later on in the instructions (page 81) it states as an alternative that "the trunk lid can be opened using a loop of wire in the rear console box even with the main switch in the glove box turned off" – again, I have no main switch in the glove box. I am a new boy to this and though I am enjoying the car greatly, I clearly have a few things to learn about the nuances.