Some modules are unlockable

• Air conditioning: pretty much required for getting across the desert
• Radio receiver: unlocks weather forecast
• Drone: TBD
• Trailer: increases energy consumption and inventory space
• Towbile home: A mini house complete with bed and AC
• Sidecar: Adds a passenger seat and storage space. Can have up to two.
• Regenerative brakes: decreases energy consumption due to driving, especially going downhill
• Water collector: harvest and purify rainwater during storms. Costs electricity
• Headlights
• Solar panel roof mount: save storage space and generate energy while driving
• Radio broadcaster
• Lightning rod
• Lightning rod to battery adapter
• Bioreactor
• Beds: sleep on the road rather than in a seat. Uses more space but recovers more fatigue and does so more quickly.
• Pedal charger: exchange fatigue for energy. Can be operated by passengers
• Autopilot: The car drives itself! Refuses to operate when visibility is low however.
• Inflatable raft: allows fording flooded roads
• Infrared viewer: allows driving in sandstorms, heavy rainstorms, and without headlights