Rivian’s 2026.03 Software Update Brings Cold-Weather Smarts, Unreal 5.5 Visuals, and Fresh Drive Modes
Rivian’s 2026.03 software update rolls out to Gen 1 and Gen 2 R1s, adding cold-weather range guidance, smarter charging, and new drive modes (Launch and Sport) with enhanced kneel mode and faster Rock Crawl top speeds; upgrades include Unreal Engine 5.5 visuals, improved driver-assist rendering, Expanded ride-height/feel options, and a new Apple Watch app for remote lock/unlock, venting, cabin temperature, and setting target charge from your wrist.