The Sunday Crossword No 3134, Sunday 24 Jan 2021

ACROSS

1   Stunt-performing actor given key for automotive device (6,7) CRUISE CONTROL {CRUISE}{CONTROL}

8   Endlessly booed scordato member of orchestra (4) OBOE BOOEd*

9   Course sped around with appropriate safeguards (3,7) DUE PROCESS*

10 Composer's name called out (6) HANDEL (~handle)

11 Intoxicated faun to make incursion, being fearless (8) UNAFRAID {FAUN*}{RAID}

12 Doing borders of Hawaii, then either border of Woodstock (9) HANDIWORK {Ha..iI}{Wo...cK}(H and I)(W or K)

14 Eldest of children usually expressed pretentiousness (4) AIRS (~heirs) 

15 Big cheese regularly chills (4) ICES {bIg+ChEeSe}

16 Kerfuffle before token of love offered on vacation lovingly, lovingly (9) ADORINGLY {ADO}{RING}{Lo...lY}

20 Dry in the morning; before start of afternoon, Italian's knocked back liqueur (3,5) TIA MARIA {AIR}{AM}{Af...n}{IT}<=

21 Someone with a lisp's shy, becoming talkative (6) MOUTHY (~mousy)

23 Vet's confused after duck escapes holding underwear (6,4) STRING VEST {VETS}*<=>{SToRING}

24 Singer's keen on retiring (4) DIVA<=

25 Cheered and chased off something from Somerset (7,6) CHEDDAR CHEESE {CHEERED+CHASED}*

DOWN

1   Primarily 'correspondence': arcane Biblical beliefs; Abrahamic literature absorbed? (7) CABBALA Acrostic &lit

2   Whereby unpleasant burden is exclusing reek, primarily? (1-4) U-BEND BUrDEN* & lit

3   So Dad's starter comes on a salad? Something bad will inevitably occur (4,3) SODS LAW {SO}{Dad}{SLAW}

4   Wildly cheered queer car that's had good and bad times (9,6) CHEQUERED CAREER {CHEERED+QUEER+CAR}*

5   Some forsaken or waylaid in the country (6) NORWAY [T]

6   Going back to find suspicious Puerto Ricans denied tap dancing (9) RECURSION {pUERtO+RICaNS}*

7   Fool with slander, perhaps, about young women (7) LASSIES {L{ASS}IES}

13 'Milk a deer'? That's freakish, surreal (9) DREAMLIKE*

15 Unwise to assemble 3rd, 7th, 9th, 20th, 22nd, 27th & 28th pieces from Dmitri Dmitrievich Shostakovich (7) IDIOTIC {dmItri+DmItrievich+shOsTakovICh}

17 Mum's overcome by strain when game's played again (7) REMATCH {RE{MA}TCH}

18 Corrupt chevalier's heading off, abandoning one French city (2,5) LE HAVRE {cHEVALiER}*

19 Run into tree? Everyman would, becoming unresponsive (6) FRIGID {F{R}IG}{I'D}

22 Fun duet; 'side splitting'? ... a bit much (5) UNDUE {fUN}{DUEt} 

Reference List

Italian = IT, Run = R