TOYOTA announced a problem with the LEXUS IS220d, IS250, GS300, RX300. affecting a total of 15,408 vehicles.
If the incorrect brake fluid is used in the brake system, it is possible that the rear seal can become dry and curl in its recess, due to the operation of the piston. This can result in a brake fluid leak, which will, when the fluid reaches a low level, illuminate the brake fluid low warning light on the dash. Vehicles built from 28/9/2004 to 9/12/2005 are at risk.
The following remedial action is necessary to address this problem. Recall all affected vehicles and replace the rear seal with an improved one.
If you think that your vehicle may be affected by this recall you should
find your nearest TOYOTA dealer
who will be able to confirm whether or not your car is safe and arrange its free repair if necessary.
Source: UK Government's Vehicle and Operator Services Agency (VOSA).