Older Prius has developed a rough shake for a few seconds on some cold starts and the coolant level seems to be dropping slowly. I don't want to assume the worst. What test sequence would separate ig…
2024 Rivian R1S Dual-Motor, about 14,500 miles. On road trips the car used to hold a higher charge rate longer. Now it starts tapering sooner even when the pack is warm. Could this be charger-side va…
Traction battery is charged, but a low-voltage warning appeared after the car sat overnight. I know the small battery can still immobilize an EV. What information would you capture before service?
On road trips the car used to hold a higher charge rate longer. Now it starts tapering sooner even when the pack is warm. Could this be charger-side variation, battery temperature, software, or an ac…
Dash range changes with temperature and driving, so I'm looking for a better way to judge battery health. What data do you trust—usable kWh, charging energy, service-mode values, repeated range tests…
2023 Hyundai Ioniq 5 Limited, about 18,000 miles. Displayed range moves too much with weather and recent driving to be a useful health metric by itself.
A software update finished overnight and this morning I got a low-voltage battery warning. Main battery is charged. Before scheduling service, is there anything safe to check in the app/service menu?…
2022 Toyota RAV4 Hybrid XSE, about 24,500 miles. Same commute and driver, but average MPG is down noticeably. Tires are properly inflated. What hybrid-specific data would you inspect before blaming t…
2022 Tesla Model 3 Long Range, about 82,500 miles. On comparable road trips the charge rate now starts tapering sooner. I am trying to separate charger sharing, battery temperature, software changes…
2022 Ford Maverick XLT Hybrid, about 37,000 miles. The car carries pets and sees dusty conditions. Is inspecting or cleaning the battery cooling intake/fan a reasonable preventive job when the servic…
Got a 12V-related service warning and the truck otherwise wakes and drives normally. For people who've dealt with low-voltage issues, did you risk driving to service or treat it like a potential bric…
2022 Toyota RAV4 Hybrid XSE, about 40,500 miles. Same commute and driver, but average MPG is down noticeably. Tires are properly inflated. What hybrid-specific data would you inspect before blaming t…
2022 Tesla Model 3 Long Range, about 78,000 miles. Rear tires are wearing noticeably faster than I expected even though alignment is supposedly okay. I know weight and torque don't help. Has anyone i…
Same commute and driver, but average MPG is down noticeably. Tires are properly inflated. What hybrid-specific data would you inspect before blaming the high-voltage battery? I am in Los Angeles. Mos…
On road trips the car used to hold a higher charge rate longer. Now it starts tapering sooner even when the pack is warm. Could this be charger-side variation, battery temperature, software, or an ac…
Twice I have had full lights and accessories but no crank. After waiting a few minutes it starts normally. Battery terminals look clean. What would you want to measure during the actual failure?
2024 Polestar 2 Long Range Dual Motor, about 39,000 miles. Displayed range moves too much with weather and recent driving to be a useful health metric by itself. What repeatable measurements do you t…
The car carries pets and sees dusty conditions. Is inspecting or cleaning the battery cooling intake/fan a reasonable preventive job when the service procedure allows it?
Low-voltage battery warning appeared and I have a trip coming up. Main pack is fine. I don't want to get stranded over the small battery—what would you consider a no-drive warning versus something sa…
A software update finished overnight and this morning I got a low-voltage battery warning. Main battery is charged. Before scheduling service, is there anything safe to check in the app/service menu?
