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 pac…
Reservoir moves from full to low over a few weeks. No puddle, no obvious hose leak, and the oil looks normal. Is a pressure test the next logical step or is th…
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 interva…
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 crea…
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 on…
