transport: add SIXT SFO rental

itinerary.md

@@ -26,7 +26,7 @@
 | [🌲 Cabin — Sequoia (Miramonte)](bookings/stays/cabin-sequoia-miramonte.md) | Sep 24–27 (3 nights) | US$771.16 | Auto-pays Sep 8 |
 | [🏙️ Airbnb — LA (DTLA)](bookings/stays/airbnb-la-dtla.md) | Sep 27–30 (3 nights) | US$860 | ✅ Booked by KT · ⚠️ complete online check-in form |
 | [🎰 Wyndham Desert Rose Resort — Las Vegas](bookings/stays/wyndham-desert-rose-las-vegas.md) | Sep 30–Oct 3 (3 nights) | US$630 | ✅ Booked by KT · free cancellation through Sep 15 |
-| [🚗 Car Rental](bookings/transport/car-rental.md) | Sep 20–Oct 4 (14 days) | ⚠️ TBC | SFO round trip; rent and return by MS |
+| [🚗 SIXT Car Rental](bookings/transport/car-rental.md) | Sep 20–Oct 5 (15 days booked) | US$897.93 | ✅ Booked (9739014160) · pickup Sep 20, 13:00 PDT · return early Oct 4, 16:30 PDT |
 | [✈️ Flights — KT & VT](bookings/transport/flights-kt-vt.md) | Sep 19 / Oct 3 | — | ✅ Dates confirmed (details later) |
 | [✈️ Flights — MS & LK](bookings/transport/flights-ms.md) | Sep 20 / Oct 4 | CA$1,369.76 | ✅ Booked (OMK75H) · UA1333 / AC573 · bag CA$69/direction extra · LK flies to Kansas City Sep 22 |
 | [🚗 LK — Hertz at LAX](bookings/transport/car-rental-lk-los-angeles.md) | Sep 25–27 | CA$232.12 | ✅ Booked (73537324893669) · return by Sep 27, 6:30 PM PDT |
@@ -40,7 +40,7 @@
 | Date | Day | Location | Notes |
 |------|-----|----------|-------|
 | Sep 19 | Sat | Daly City (SF area) | ✅ Airbnb check-in after 3 PM · KT & VT land SFO 1 PM · public transit / taxi · confirm they can check in without MS |
-| Sep 20 | Sun | San Francisco | MS & LK fly YVR → SFO (UA1333, lands **12:11 PM**), rental pickup ~1 PM · KT & VT use public transit / taxi until then · afternoon start — trim [plan ↓](#sep-20--san-francisco-golden-gate--waterfront) |
+| Sep 20 | Sun | San Francisco | MS & LK fly YVR → SFO (UA1333, lands **12:11 PM**), SIXT rental pickup **1:00 PM PDT** · KT & VT use public transit / taxi until then · afternoon start — trim [plan ↓](#sep-20--san-francisco-golden-gate--waterfront) |
 | Sep 21 | Mon | San Francisco | [See plan ↓](#sep-21--san-francisco-downtown--classic-sf) · Downtown, cable cars, Chinatown (BART day) |
 | Sep 22 | Tue | Yosemite / Kansas City | LK flies to Kansas City (flight details TBC) and remains away from the group until Sep 27 · Check-out SF by 11 AM · Depart 7 AM · [See plan ↓](#sep-22--sf--yosemite-valley) · Wawona check-in (flexible) |
 | Sep 23 | Wed | Yosemite | [See plan ↓](#sep-23--yosemite--glacier-point--mariposa-grove) |
@@ -54,7 +54,7 @@
 | Oct 1 | Thu | Las Vegas | — |
 | Oct 2 | Fri | Las Vegas | — |
 | Oct 3 | Sat | Las Vegas → San Francisco | Wyndham checkout by 10 AM · KT & VT fly LAS → Bulgaria · MS starts drive back to San Francisco · overnight stop / endpoint TBC |
-| Oct 4 | Sun | San Francisco | MS returns rental car at SFO and flies SFO → YVR · coordinate flight time with car return |
+| Oct 4 | Sun | San Francisco | Return SIXT rental early at SFO around **4:30 PM PDT** (booking runs through Oct 5, 1 PM), then fly SFO → YVR at **7:30 PM PDT** |
 
 ---
 
@@ -118,4 +118,4 @@
 
 ---
 
-*Last updated: August 2026*
+*Last updated: 2026-09-06*