2012 Toyota Prius Owners Manual - Page 927

Wha t t o do if... What t o do if...P. 523 If you have a flat tire A tire punctures P. 538 If the hybrid system will not start The hybrid system does not start P. 135 Immobilizer system P. 543 If the 12-volt battery is discharged The high coolant temperature warning light flashes or comes on "HYBRID SYSTEM OVERHEAT" is displayed P. 549 If your vehicle overheats Steam can be seen coming from under the hood The key is lost P. 540 If you lose your keys The 12-volt battery runs out P. 543 If the 12-volt battery is discharged The doors cannot be locked P. 87 P. 93 Side doors Back door The vehicle is stuck in mud or sand P. 554 If the vehicle becomes stuck A warning light or indicator light comes on P. 493 If a warning light turns on or a warning buzzer sounds 630