Land Rover LR4 2010–2013 — technical service bulletin
Bulletin LTB00587NAS1 · NHTSA communication 10204751 · issued Nov 5, 2013
Technical service bulletin
communication type
Visibility
component
2010–2013
model years
5
vehicle entries
Official summary
Technical Bulletin: Potential Voltage Dip To Headlamps when heated windshield and Heated Rear Window Are Deactivated
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.