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…
The car gets lots of cold starts, idling and short trips with few long highway runs. The factory interval feels long for that use. How would you set an interval around duty cycle rather than just the…
1968 Ford Mustang Fastback, about 217,000 miles. I have a trade with some equity and I am buying another car. Dealer wants to talk only in payment numbers. Would you settle sale price first, then tra…
There is early surface rust on brackets, fasteners and seams underneath, but nothing structural. For a salt-belt car, what treatment slows it down without creating a hard coating that traps moisture?
2024 Rivian R1S Dual-Motor, about 8,200 miles. For the first few seconds after a cold start I hear a metallic rattle, then it disappears and won't come back once the engine is warm. No warning lights…
