Cryptic crossword No 3,996

Across

1. Sues vegan wistfully for wistfulness (9)
2. Record label scratched and left (9)
3. Wake up, bagged, by California luggage belt (8)
4. Dos and ... firstly do one, nine, three (Spanish) (5)
5. First ancient Greek written in a line before Bacchylides (6,1)
6. They dictate a point on lower calories (5)
7. King of the blues hits note in boring condescension (8)
8. Searched 1000m² going west (5)
9. Nit-pickers have erectile dysfunction in undies (7)
10. Vincent soon concocted codes (11)
11. Brunette model dropped into missing carnival? (3,4)
12. Globe has it as company for environmental finance (7)
13. Reality is, damage coming back around Toronto (5)

Down

1. That is a day in Roman calendar time (2,3)
2. Nasty sparkling wine and all. No finish (6)
3. Iodine in exchange for screed (6)
4. If not elsewhere, nowhere (4)
5. Jingle surrounding cool dude singing Scooby Doo (8)
6. Lookout featuring anvil minus Newtonian weight, with considerable weight (7)
7. Bingo! Ice crush is made organically (8)
8. Avenge bad one of 15a (6)
9. Oh no, messy poos! (4)
10. Rent raised on kerb (6)
11. Wannabes plough into plates (10)
12. (In a manner of speaking) knots catch, unable to be wound up (in a manner of speaking) (3,5)
13. Dirty holes in pen (5)
14. 6, 5, 4, 3, 2, 1: Broadcaster Brown, with yearly countdown, put commercial in South American city (3,5)
15. Gatherers place strollers around 5 o'clock (10)
16. Proper leaders prepare roast (unsmoked) meal (7)