When your 2022 Nissan Altima won't start after sitting outside overnight in cold temperatures, the extended cold soak has stressed the starting system beyond its limits. This is different from trying to start during cold weather—the car has had all night to reach ambient temperature.
Cold Soak Effects
After sitting overnight in freezing temperatures, everything in the car reaches air temperature: the battery, engine oil, fuel, and all components. This is the worst-case scenario for starting as nothing has any residual warmth to help.
What Fails After Cold Soak
Overnight cold soak no-starts typically result from: battery capacity dropping to critically low levels, fuel having difficulty atomizing, engine oil becoming very thick, and any marginal components reaching their failure point. The combination overwhelms the starting system.
Altima-Specific Considerations
The Altima's CVT transmission fluid can become thick in extreme cold, though this doesn't prevent starting. The push-button start system requires good battery voltage; weak batteries may prevent the computer from even attempting to crank.
Immediate Steps
Try the key fob backup method if push button doesn't respond: hold the fob against the start button while pressing. If it clicks or cranks slowly, jump starting may help. Once jumped and started, let the engine run for an extended period to fully recharge the battery.
Prevention for Future
Park in a garage when possible. Use a battery maintainer if the car sits for days. Replace batteries before they're 4 years old. Use the appropriate weight oil for winter. Consider a block heater for severe cold climates.