One problem related to car will not start has been reported for the 2007 Volvo S40. The most recently reported issues are listed below.
After parking car and turning car off, airbag, brake, and information warning lights stay on, as does ventilation system. Passenger seat has excess water underneath. Now car will not start.
| Electrical System problems | |
| Car Will Not Start problems | |
| Ignition Switch problems | |
| Ignition problems |