Radio Messages permitted/not permitted now Clarified
http://en.espnf1.com/fia/motorsport/story/175419.html
Permitted
The clampdown extends to messages via pit boards
-Acknowledgement that a driver's message has been heard.
-Lap or sector detail for team's own driver or lap time of a competitor.
-Gaps to a competitor, in any session.
-Messages such as "push now", "push hard", or "you will be racing xx", or similar.
-Warnings about traffics during any session.
-Gaps between cars in qualifying to help driver with positioning for flying lap.
-Puncture warnings.
-Tyre choice for next pit stop.
-How old a competitors current tyres are during a race.
-The compound being used by a competitor.
-Indication of a potential problem with a competitor's car during a race.
-Information concerning competitors likely or believed race strategy.
-Any information regarding flags cautions (yellow, blue etc) and Safety Car deployment.
-Safety Car window.
-Driving breaches by team driver of a competitor which may result in a penalty eg. Missing chicanes, track limits
-Notification that DRS is enabled or disabled, and dealing with a DRS system failure.
-Change of front wing position at next pit stop.
-Weather information.
-Instruction to pit and retire the car.
Not permitted
-Sector details of a competitor and where competitor is faster or slower.
-Adjustment of power unit settings.
-Adjustment of power unit settings to de-rate the systems.
-Adjustment of gearbox settings.
-Learning of gears of the gearbox (from Japanese GP onwards).
-Balancing state-of-charge batteries or adjusting for performance.
-Information on fuel flow settings (except if requested to do so by race control).
-Information on level of fuel saving required.
-Information on tyre pressure or temperatures (from Japanese GP onwards).
-Information on differential settings.
-Start maps related to clutch position - for race starts and pit stops.
-Information on clutch maps or settings, eg. bite points.
-Burn-outs prior to race starts.
-Information on brake balance or brake-by-wire settings.
-Warning on brake wear or temperatures (from Japanese GP onwards).
-Selection of driving default settings (other than in the case of a clearly identified problem)
-Answering a direct question from a driver, eg. "Am I using the right torque map?"
-Any message which appears to be coded.