Cars & Driving
(written as R)a letter on a fuel gauge indicating low fuel; when first illuminated it indicates that there is approximately five litres left in reserve
(written as R)a letter on the sidewall of a tyre denoting the maximum speed for which it is designed (170 km/h or 105 mph).
(written as R)in the United States, a trade name for a rating indicating that a film can be seen by children under the age of 17 only if accompanied by an adult
(written as R)in Australia, a rating indicating that a film may not be seen by anyone under 18