I've got these in mine mate, 2012 LCR same as you, not had any issues.
http://www.ebay.co.uk/itm/LED-Numbe...arts_Vehicles_CarParts_SM&hash=item48638ef81a
These are the other bulbs I have.
Side light bulbs - W5W (501) fitment - 5W CREE LEDs
DRL bulbs - 27SMD DRL 382's
Fog lights (HB4/9006 type)
Sidelight = 501 T10 W5W WEDGE
Reg lights = 37mm festoon
vanity mirror lights = 37mm festoon x 2
middle mirror lights = 37mm festoon
middle reading lights = 501 T10 W5W WEDGE x 3
boot light = 42mm festoon
Rear centre lights = 37mm festoon x 2
Glove box = 501 T10 W5W wedge
http://www.hids-direct.co.uk/canbus-...or-free-bulbs/
The top link is for the LED DRL bulbs, these look really good and compliment the headlights.
The bottom link is to the extremely bright CREE LEDs for the sidelights. (Try and enter "social5" for 5% discount if it's still available)
http://www.hids-direct.co.uk/501-w5w...d-bulbs-white/
All I get is an occasional error which goes off if I just turn my headlights on & off.