This warning light is on page 139 of the Clubman's manual, thought it's not Clubman related... In my case, I arrived home this afternoon and parked...suddenly there was an amber or yellow gear shaped warning light in my OBC with an exclamation mark inside! If you're interested or have experienced this there are two threads on NAM that address this, the main one is here:
MINI COOPER :: North American Motoring - Amber Gear icon showing... sometimes with several Clubman owners posting...the Clubman forum's thread is: [url=http://www.northamericanmotoring.com/forums/showthread.php?t=146433]MINI COOPER :: North American Motoring - Gear shaped warning signal? Here are some photos:
My SA says it's probably fixed by being "reprogrammed" and I hope he's correct. I have to bring it in on Friday and wait...and hope..