Roof strength
Rating applies to 2017-23 models
Tested vehicle: 2017 Chevrolet Bolt EV LT 4-door hatchback
Overall evaluation | |
---|---|
Curb weight | 3,493 lbs |
Peak force | 20,042 lbs |
Strength-to-weight ratio | 5.74 |
Head restraints & seats
Seat type: Manual cloth seat
Overall evaluation | |
---|---|
Dynamic rating | |
Seat/head restraint geometry |
Seat type | Manual cloth seat |
---|---|
Geometry | |
Backset (mm) | 40 |
Distance below top of head (mm) | -14 |
Seat design parameters | |
Pass/fail | Pass |
Max T1 acceleration (g) | 18.2 |
Head contact time (ms) | 67 |
Force rating | 1 |
Neck forces | |
Max neck shear force (N) | 118 |
Max neck tension (N) | 424 |
About the head restraint & seat test
Currently, IIHS tests apply only to front seats.
Child seat anchors
Rating applies to 2017-23 models
Overall evaluation | |
Vehicle trim | EV LT |
Seat type | cloth |
This vehicle has 2 rear seating positions with complete child seat attachment (LATCH) hardware.
It has 1 additional seating position with a tether anchor only.
Overall evaluation | |
Vehicle trim | EV LT |
Seat type | cloth |
G | Good |
A | Acceptable |
M | Marginal |
P | Poor |
Seating positions that rely on borrowed lower anchors or have only a tether anchor available are not rated. | |
thether anchor symbol | Tether anchor |
lower anchor symbol | Lower anchors |
Lower anchor(s) can be borrowed from adjacent positions(s) | |
No hardware available |
Details by seating position
1 | |
---|---|
Tether anchor | |
easy-to-find location | |
no other hardware could be confused for anchor | |
Lower anchors | |
too deep in seat | |
too much force needed to attach | |
easy to maneuver around anchors | |
2 | |
Tether anchor | |
easy-to-find location | |
no other hardware could be confused for anchor | |
Lower anchors | |
none available | |
3 | |
Tether anchor | |
easy-to-find location | |
no other hardware could be confused for anchor | |
Lower anchors | |
too deep in seat | |
too much force needed to attach | |
easy to maneuver around anchors |
Seat position 21
Lower anchor A | |
---|---|
Open access rated | No |
Depth (cm) | 4-6 |
Force (lbs) | could not measure |
Clearance angle (degrees) | 80 |
Lower anchor B | |
Open access rated | No |
Depth (cm) | 4-6 |
Force (lbs) | 7 |
Clearance angle (degrees) | 78 |
Tether anchor | |
Location | Middle seatback |
Confusing hardware present | No |
Has contrasting label within 3 inches of tether anchor |
No |
Tether anchors can be accessed while seatback is properly positioned for use of LATCH |
Not measured |
Seat position 22
Lower anchor A | |
---|---|
No lower latch for this seat position | |
Lower anchor B | |
No lower latch for this seat position | |
Tether anchor | |
Location | Middle seatback |
Confusing hardware present | No |
Has contrasting label within 3 inches of tether anchor |
No |
Tether anchors can be accessed while seatback is properly positioned for use of LATCH |
Not measured |
Seat position 23
Lower anchor A | |
---|---|
Open access rated | No |
Depth (cm) | 4-6 |
Force (lbs) | 6 |
Clearance angle (degrees) | 81 |
Lower anchor B | |
Open access rated | No |
Depth (cm) | 4-6 |
Force (lbs) | could not measure |
Clearance angle (degrees) | 84 |
Tether anchor | |
Location | Middle seatback |
Confusing hardware present | No |
Has contrasting label within 3 inches of tether anchor |
No |
Tether anchors can be accessed while seatback is properly positioned for use of LATCH |
Not measured |
Rating applies to 2017-23 models
Overall evaluation | |
Vehicle trim | EV Premier |
Seat type | leather |
This vehicle has 2 rear seating positions with complete child seat attachment (LATCH) hardware.
It has 1 additional seating position with a tether anchor only.
Overall evaluation | |
Vehicle trim | EV Premier |
Seat type | leather |
G | Good |
A | Acceptable |
M | Marginal |
P | Poor |
Seating positions that rely on borrowed lower anchors or have only a tether anchor available are not rated. | |
thether anchor symbol | Tether anchor |
lower anchor symbol | Lower anchors |
Lower anchor(s) can be borrowed from adjacent positions(s) | |
No hardware available |
Details by seating position
1 | |
---|---|
Tether anchor | |
easy-to-find location | |
no other hardware could be confused for anchor | |
Lower anchors | |
too deep in seat | |
too much force needed to attach | |
easy to maneuver around anchors | |
2 | |
Tether anchor | |
easy-to-find location | |
no other hardware could be confused for anchor | |
Lower anchors | |
none available | |
3 | |
Tether anchor | |
easy-to-find location | |
no other hardware could be confused for anchor | |
Lower anchors | |
too deep in seat | |
too much force needed to attach | |
easy to maneuver around anchors |
Seat position 21
Lower anchor A | |
---|---|
Open access rated | No |
Depth (cm) | 4-6 |
Force (lbs) | could not measure |
Clearance angle (degrees) | 75 |
Lower anchor B | |
Open access rated | No |
Depth (cm) | 4-6 |
Force (lbs) | 13 |
Clearance angle (degrees) | 76 |
Tether anchor | |
Location | Middle seatback |
Confusing hardware present | No |
Has contrasting label within 3 inches of tether anchor |
No |
Tether anchors can be accessed while seatback is properly positioned for use of LATCH |
Not measured |
Seat position 22
Lower anchor A | |
---|---|
No lower latch for this seat position | |
Lower anchor B | |
No lower latch for this seat position | |
Tether anchor | |
Location | Middle seatback |
Confusing hardware present | No |
Has contrasting label within 3 inches of tether anchor |
No |
Tether anchors can be accessed while seatback is properly positioned for use of LATCH |
Not measured |
Seat position 23
Lower anchor A | |
---|---|
Open access rated | No |
Depth (cm) | 4-6 |
Force (lbs) | 12 |
Clearance angle (degrees) | 88 |
Lower anchor B | |
Open access rated | No |
Depth (cm) | 2-4 |
Force (lbs) | could not measure |
Clearance angle (degrees) | 85 |
Tether anchor | |
Location | Middle seatback |
Confusing hardware present | No |
Has contrasting label within 3 inches of tether anchor |
No |
Tether anchors can be accessed while seatback is properly positioned for use of LATCH |
Not measured |