The unclued lights are of a kind. Ignore all accents and diacritical marks throughout the puzzle. The fifth letter of each of the nine unclued lights reveal A BASS FUEL.
 

Across

5    Garden flowers heard of by the congregations (6)
9    It’s sure to happen when Close is dropped from cable television broadcast (10)
14    He protects some villa (Roman) (3)
16    Dud Scottish wicket-keeper drops Pakistan’s opener (6)
17    Sailing boat turned over in shallow waters (5)
18    Exams are no great loss, regularly (5)
22    Very large implement reportedly — a hammer, perhaps (7)
24    My old-hat confession comes to a dead end (7)
25    Tartan cloth for half the party (5)
26    Blame, having removed top of dais (5)
28    Computer storage space from North Yorkshire abbey backing bishop being installed (7)
33    Attempt to overthrow first among Tsarists leads to debate (7)
38    Songbirds in beech at Sandringham (5)}
39    US statesman making exclamation about Iona (6)
40    Away from Southwark (3)
41    One short-term reconditioned semi-conductor (10)
43    Everyone moves round on Sabbath — no point (8)
 

Down

1    Lack of symmetry reviewed in poor tripods (13)
2    Male escapee from Sodom, a serf (5)
3    Acari’s unusual clustered cell (6, hyphened)
4    Victorian flower in imposing arrangement upset (5)
6    Leave position on the field and miss an opportunity (7, two words)
7    Former FBI Director accepts second-class pass (6, two words)
8    Month in Israel outside where Liverpool lost last month (4)
10    Old dashing fellows turned up in creased albums (6)
12    Transvestites annoyed actors’ assistants (13, hyphened)
13    Councillor admits playing legally — that’s deliberate (8)
19    Turmoil as unusual device used for practice (9)
21    Turn pale when alien gets retarded following lover of Zeus (8)
27    Get day wrong running Times ad? (7)
29    Bet by Zulu’s predecessor (6)
32    Kick Conservative out of manse with oriel, oddly (6)
34    Single instruction from computer cuts President short (5)
35    Coffee from middle of tray (5)
36    Dear pastry that’s not unknown (4)
 
A first prize of £30 for the first correct solution opened on 25 June. There are two runners-up prizes of £20. (UK solvers can choose to receive the latest edition of the Chambers dictionary instead of cash — ring the word ‘dictionary’.) Entries to: Crossword 2362, The Spectator, 22 Old Queen Street, London SW1H 9HP. Please allow six weeks for prize delivery.