Can I drive with key or immobilizer problem?
Driving risk with key or immobilizer problem depends on the warning state, loss of control or performance, heat, smoke, leakage, and whether the condition is worsening. Use the stop conditions below before moving the vehicle.
Plausible causes
- Low-voltage supply, starting-control, or network fault
- Battery capacity, connection, or charging
- Key-off draw or network wake-up
Useful next checks
- Note how long the vehicle was parked, the click pattern, lamp behavior, recent jump or battery work, and any portable or aftermarket accessory. Inspect accessible terminals only with the vehicle off.
- Stop for smoke, arcing, a hot cable, burning smell, a swollen or leaking battery, or loss of safety-critical lights or wipers.
- Charge and battery capacity test
Sources and method
This answer provides hypotheses and a verification plan, not a component verdict. Exact repair procedures require authoritative service information for the specific vehicle.
Battery Discharge Diagnostic Guidance · NHTSA / Subaru