Electrical: navigational system(global positioning system)
Risk. AN OVERHEATED BATTERY COULD LEAD TO A FIRE.
NHTSA has logged 25 owner complaints about the 2007 Volvo S40, most often about the electrical system. It is covered by 2 safety recalls.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 22, 2020. Updated daily. Photo: IFCAR, Public domain.
25 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 5 | 0 |
| Service brakes, hydraulic | 4 | 3 |
| Engine and engine cooling | 3 | 0 |
| Seat belts | 2 | 2 |
| Steering | 2 | 0 |
| Vehicle speed control | 2 | 0 |
| Engine | 2 | 0 |
| Air bags | 2 | 1 |
| Power train | 2 | 0 |
| 9 other systems | 9 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. AN OVERHEATED BATTERY COULD LEAD TO A FIRE.
Risk. THE CAPACITY TO BRAKE WILL GRADUALLY DETERIORATE FORCING THE DRIVER TO USE A HIGHER THAN EXPECTED FORCE ON THE BRAKE PEDAL WHEN COMPARED TO AN INTACT BRAKE…
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Volvo.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the S40 median. How we score
2007 Volvo S40 4-DR. w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
ON OR ABOUT 12/04/2019 DURING A FLASH RAIN STORM LAST WINTER, MY HUSBAND AND I WAS HEADED HOME ON THE 215 FWY NORTHBOUND IN SAN BERNARDINO, CA WHEN THE CENTER DOME AREA AND THE ELECTRIC SUNROOF INSIDE OUR CAR BEGIN POURING IN HUGE AMOUNTS OF VERY COLD RAIN WATER ON US AND ON THE DASHBOARD, STEREO…
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.
SUNROOF DRAIN BECAME CLOGGED. THIS CAUSED THE POORLY DESIGNED DRAINS TO LEAK AT A JUNCTION INSIDE THE VEHICLE ALONG THE DOOR PILLAR AND BEHIND THE INSTRUMENT PANEL. THE WATER COLLECTS ON THE REAR PASSENGER FLOORBOARDS AND AROUND THE DRIVERS SEAT. THE CAR OWNER IS UNAWARE OF THE LEAK UNTIL A LARGE…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.