I thought this would make for some interesting discussion. Anyways, I'll start off with what I keep in my car. LED flashlight Owners manual 12V USB charger Complete OEM tool kit Hair care products* First aid kit + warning triangle Jumper cables Hair dryer* Shopping bags 1 quart of 10W-60 oil + travel case Vantrue R2 Dashcam Flamboyant sunglasses* Second license plate OEM cargo net Auxiliary cable * Yes, I'm being sarcastic.
Used to be: Aux cable Tampon Spare copy of insurance documents and proof of purchase of the car, not legal requirement to have them but I did. Jump cables Torque wrench + sockets 12v USB charger Transcend Drivepro dash camera hard wired 5W LED flashlight, also perfect for clobbering chavs with First Aid Kit for which 90% of the contents I am allergic to because wtf. 5l fuel can. Tow Rope. Digital Multimeter Every single item on that list came into use at one time or another. All of them, yes, even the odd one.
Glovebox: Spoiler Gloves Head unit fascia case Handwritten service log Box of matches Hello Kitty air freshener (stolen from ladyfriend lel) Sunglasses case Aluminium shank I made back in high school Post-it notes Pen OEM handbrake cover In cabin: Spoiler Small flathead screwdriver Sunglasses Air freshener 3D glasses Coins Set of Allen keys Steering wheel lock Owners manual+misc logbooks and receipts EOBD to USB cable (VCDS) Boot/trunk: Spoiler Subwoofer Amplifiers OEM toolkit+widowmaker jack Metalworking dolly Chamois Shirt+undies, socks Jump leads Loose seatbelt+tensioner assembly Fire extinguisher Deck of cards Street directory Terry cloths Multimeter Rattlecans- Avus silver, etch primer, clearcoat Bog tin Cargo mat Sump 5L Coolant bottle 5L Oil bottle (10w-30) Audi Special Tool #69420 (bent coathanger) 500mL DOT4 brake fluid Central locking pump Squeeze bottle+siphon 5m nylon rope Aerosol carburettor cleaner Off the top of my head, so it's been sitting in the A4 for a while. I carry a lot of stuff, come at me bro.
Glovebox: -sunglasses -parking disc -owner's manual -cassettes (yes I still use cassettes daily) Trunk: -interior heater -spare wheel -jack -tire iron -ice scraper/brush
i keep a bottle of water(freezes in winter and i never drink it) i just keep a snow shovel and vehicle manual in mine and also a spare turbo, clutch plate, battery, spare run-flat, extra brake disks, fire extinguisher, brake coolant (for track day) headlamp bulbs and yes they are incandescent, and a spare diff (limited slip)
-First aid box -warning triangle -sparewheel -coin for a shopping cart -little box with spare light bulbs -tow eyelet -owners manual -parking disk -glasses case -sponge for quick inside window cleaning
I keep a check engine light and a spare tire --- Post updated --- but seriously I only have in my car the oem toolkit phone charger owners manual on a disk and a compressor