I pulled the audio out of the video, but I’m not able to reliably “hear” and interpret it the way a human would in this environment—so I don’t want to give you a confident guess that could send you in the wrong direction. Let’s still get you something useful fast: ### Give me 2–3 details and I can nail this down - **When does the sound happen?** - Only while driving? - Only when braking? - Idle / parked? - **How would you describe it?** - Squeal / screech - Grinding - Clicking / ticking - Knocking / thumping - **Does it change with speed or RPM?** --- ### Quick cheat sheet (so you can sanity-check right now) - **High-pitched squeal (especially on startup or acceleration)** → Likely **serpentine belt** or pulley - **Grinding when braking** → **Brake pads worn down to metal** (this one is urgent) - **Rhythmic clicking when moving (faster with speed)** → **CV axle / joint** - **Deep knocking that gets faster with engine RPM** → Potential **engine knock / rod issue** (serious) - **Ticking at idle (especially cold start)** → Could be **lifters** or normal valvetrain noise depending on car - **Humming/roaring that gets louder with speed** → **Wheel bearing** --- If you want, you can: - Upload a shorter clip focused on just the sound, **or** - Just describe it in your own words (even loosely) I’ll give you a much sharper diagnosis from there. --- Alright—this is actually a pretty clear pattern once you lay it out: > **Hard/weak start + almost not starting + weird idle noise** That combo points much more toward a **battery / charging system issue** than just a belt. --- ## 🔧 Most Likely Culprit (in order) ### 1. **Weak or dying battery** This is the front-runner. **Why it fits:** - “Almost didn’t start” → classic low battery - “Sounded weak” → starter struggling to crank - Happens after sitting (like leaving Whole Foods) 👉 If it’s the original battery or older than ~3–5 years, this is very likely it. --- ### 2. **Alternator starting to fail** If the battery isn’t the root cause, this is next. **Why it fits:** - Car eventually starts → battery has *some* charge - But struggles after driving → alternator may not be recharging it properly 👉 If she keeps driving like this, it’ll eventually **just die while running**. --- ### 3. **Serpentine belt (what Terell mentioned)** He’s not wrong—but it’s probably **secondary**, not the main issue. **When a belt matters here:** - If it’s loose or slipping → alternator doesn’t charge battery properly - Could cause a **squeal or chirp at idle/startup** 👉 Belt alone **won’t cause weak starting** unless it’s affecting the alternator. --- ## ⚠️ What the “weird idle sound” might be - If it’s a **squeal / chirp** → belt or pulley - If it’s a **rough idle / shaky** → engine not getting enough voltage (battery/alternator issue) - If it’s a **clicking or dim lights** → definitely electrical --- ## 🧪 Fast, no-BS checks (do these first) ### 1. Try this tonight - Turn key to ON (not start) - Look at dash lights 👉 **Dim or flickering?** → battery --- ### 2. Jump start test - If a jump makes it start strong instantly → **Battery is the problem** --- ### 3. While running - Do headlights get brighter when revving slightly? 👉 If yes → alternator is working 👉 If no / dim → alternator suspect --- ## 🧠 Straight answer If I had to bet money based on what you told me: > **80% battery** > **15% alternator** > **5% belt/pulley** --- ## 🚨 What NOT to do Don’t ignore this. If it’s alternator-related: - She *will* get stranded - Likely at the worst possible time --- If you want to lock this down completely, tell me: - Year/make/model of the car - Whether lights/electronics have been acting weird I’ll pinpoint it to near certainty and even tell you what it should cost so nobody gets ripped off. --- # 👨‍💻 > [!NOTE] PROMPT > 2013 Toyota Rav 4 > > She has a sensor issue for over a year. There’s lights that never turn off: ABS, brake, slippery roads, and tire pressure. And my cruise control doesn’t work --- Alright—this adds a **lot** of clarity. Here’s the straight read: --- ## 🧠 Big Picture You’re dealing with **two separate issues**: ### 1. 🔴 **Current starting problem (urgent)** ### 2. 🟡 **Long-standing warning lights (likely unrelated)** Don’t let them get mixed up—they feel connected, but they usually aren’t. --- ## 🔴 The Starting Issue (what matters right now) Given: - Weak / almost no start - Eventually starts - Strange idle sound - 2013 vehicle (battery age unknown) 👉 **This is almost certainly the battery, possibly alternator** ### Why I’m confident - A belt issue alone **does NOT cause weak cranking** - Toyota starters are usually solid—this doesn’t scream starter failure - This is textbook **battery on its last legs** --- ## 🧪 What I would do immediately (no guessing) ### Step 1 — Replace the battery (or test it) Honestly? At this age: > **Just replace it if you don’t know how old it is.** - ~$150–$220 installed - Takes 10 minutes - Eliminates 80% of your problem instantly --- ### Step 2 — If problem persists → test alternator Any parts store (AutoZone, O’Reilly, etc.) will: - Test battery - Test alternator 👉 usually for free --- ## 🟡 The Dashboard Lights Situation > ABS + Brake + Traction + TPMS + No cruise control This is **very common on Toyotas of that era**. ### Most likely causes - **Wheel speed sensor failure** (very common) - **Bad ABS sensor wiring** - **ABS module issue (less common)** ### Why cruise control is disabled Toyota disables it when: - ABS / traction system isn’t working properly 👉 It’s a **safety lockout**, not a separate problem. --- ## ⚠️ Important Reality Check Those lights have been on for a year, so: - They are **NOT causing the starting issue** - But they *should* be fixed eventually --- ## 🧠 Where Terell’s “belt” idea fits He might be picking up on: - A **squeal at startup or idle** That could mean: - Worn serpentine belt - Or tensioner pulley 👉 BUT: > Even a bad belt **would not cause weak starting like you described** --- ## 🎯 What I’d tell my own sister 1. **Replace/test the battery ASAP** 2. If still weird → **check alternator** 3. Ignore the lights *for now* unless braking feels off 4. Later: scan ABS codes and fix the sensor --- ## 🚨 One last thing (important) If this is battery/alternator and ignored: - It will go from “almost didn’t start” → to - “completely dead in a parking lot” No warning, no second chances. --- If you want, I can: - Tell you exactly which battery to buy for that RAV4 - Or help you price-check so she doesn’t get overcharged You’re on this early—that’s the good part.