Automatic Transmission
DEXRON-VI Automatic Transmission Fluid.
Applies to: Automatic Transmission
Owner’s manual specs
2018 Chevrolet Impala Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box
Figures for the 2018 Chevrolet Impala, copied from Chevrolet’s own owner’s manual. Every one links to the manual page it came from.
From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.
Engines in this manual: 2.5L L4, 3.6L V6. Figures that differ by engine say which engine they are for.
Fluids & capacities
All engines
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 0 225.
Applies to: Engine Coolant
Engine Oil
Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 is recommended. See Engine Oil 0 220.
Applies to: Engine Oil
2.5L L4
Engine Cooling System
7.8 qt
7.4 L
Applies to: 2.5L L4 Engine
Engine Oil with Filter
5 qt
4.7 L
Applies to: 2.5L L4 Engine · with filter
3.6L V6
Engine Cooling System
9.9 qt
9.4 L
Applies to: 3.6L V6 Engine
Engine Oil with Filter
6 qt
5.7 L
Applies to: 3.6L V6 Engine · with filter
Maintenance schedule
Normal service schedule
Use this for ordinary driving.
| Service | When |
|---|---|
| Replace engine air cleaner filter. (3) | Every 45,000 mi(72,000 km) |
| Replace passenger compartment air filter. (1) | Every 22,500 mi(36,000 km) |
| Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. | Every 7,500 mi(12,000 km) |
Severe service schedule
Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.
| Service | When |
|---|---|
| Replace engine air cleaner filter. (3) | Every 45,000 mi(72,000 km) |
| Replace passenger compartment air filter. (1) | Every 22,500 mi(36,000 km) |
| Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. | Every 7,500 mi(12,000 km) |
Oil life & reset procedures
Engine oil life system reset
Steps
- Using the DIC controls on the right side of the steering wheel, display REMAINING OIL LIFE
- Press V on the DIC controls and hold down for a few seconds to clear the CHANGE ENGINE OIL SOON message and reset the oil life at 100%.
- Disconnect the electrical connector (2).
You’ll know it worked: The system is reset when the CHANGE ENGINE OIL SOON message is off and the REMAINING OIL LIFE message is displayed.
Fuse box locations & fuse chart
Engine Compartment Fuse Block
Where to find it
Engine Compartment Fuse Block The engine compartment fuse block is on the driver side of the engine compartment, near the battery.
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Transmission control module battery | p.245 |
| 3 | — | A/C clutch | p.245 |
| 12 | — | Starter | p.245 |
| 15 | — | Run/Crank | p.246 |
| 18 | — | Battery disconnect unit/Ignition | p.245 |
| 19 | — | Aeroshutter | p.245 |
| 20 | — | Transmission auxiliary pump | p.245 |
| 21 | — | Rear power window | p.245 |
| 22 | — | Sunroof | p.245 |
| 23 | — | Adaptive cruise control | p.245 |
| 24 | — | Front power window | p.245 |
| 25 | — | Retained accessory power | p.245 |
| 26 | — | ABS pump | p.245 |
| 27 | — | Electric parking brake | p.245 |
| 29 | — | Passive entry/Passive start | p.245 |
| 30 | — | Canister vent solenoid | p.245 |
| 31 | — | Heated seat, driver | p.245 |
| 32 | — | Body control module 6 | p.245 |
| 33 | — | Heated seat, passenger | p.245 |
| 34 | — | ABS valve | p.245 |
| 35 | — | Amplifier | p.245 |
| 37 | — | Right high-beam headlamp | p.245 |
| 38 | — | Left high-beam headlamp | p.245 |
| 41 | — | Vacuum pump | p.245 |
| 42 | — | Cooling fan high speed | p.245 |
| 44 | — | Starter 2 | p.245 |
| 45 | — | Cooling fan low speed | p.245 |
| 46 | — | Cooling fan control | p.245 |
| 50 | — | Left HID headlamp | p.246 |
| 51 | — | Horn/Dual horn | p.246 |
| 52 | — | Display/Ignition | p.246 |
| 53 | — | Body/Ignition | p.246 |
| 54 | — | Instrument panel/ Ignition | p.246 |
| 55 | — | Exterior rearview mirror | p.246 |
| 56 | — | Front washer | p.246 |
| 60 | — | Heated mirror | p.246 |
| 62 | — | Obstacle detection | p.246 |
| 64 | — | Rain sensor/Rear seat audio | p.246 |
| 66 | — | Trunk release | p.246 |
| 67 | — | Chassis control module | p.246 |
| 69 | — | Battery voltage sensor | p.246 |
| 71 | — | Memory seat | p.246 |
Instrument Panel Fuse Block
Where to find it
Instrument Panel Fuse Block The instrument panel fuse block is in the instrument panel, on the driver side of the vehicle.
Press in on the sides of the bin to release it from the instrument panel.
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Wireless charging | p.247 |
| 2 | — | Rear stoplamps/ Courtesy lamps/ Reverse lamps/Shift lock solenoid/Puddle lamps | p.247 |
| 3 | — | LED indicator light | p.247 |
| 4 | — | Radio | p.247 |
| 5 | — | Cluster/Auxiliary jack/HMI/USB/Radio display/CD player | p.247 |
| 6 | — | Console power outlet | p.247 |
| 7 | — | Rear console power outlet | p.247 |
| 8 | — | Trunk release/Brake pedal apply/Keyless start indicators/ Hazard switch illumination/CHMSL/ Brake relay/ Sidemarker lamps/ Washer relay/Run/ Crank relay | p.247 |
| 9 | — | Trunk lamp/Right low-beam headlamp/ DRL/Right front turn lamp/Right rear parking lamp/ Stoplamp | p.247 |
| 10 | — | Door unlock | p.247 |
| 12 | — | Passenger power seat | p.248 |
| 13 | — | Driver power seat | p.248 |
| 14 | — | Diagnostic link connector | p.248 |
| 15 | — | Airbag/SDM | p.248 |
| 16 | — | Right rear heated seat | p.248 |
| 17 | — | HVAC Controller | p.248 |
| 18 | — | Logistics | p.248 |
| 19 | — | Left rear heated seat | p.248 |
| 20 | — | Ignition switch | p.248 |
| 21 | — | Telematics | p.248 |
| 22 | — | Steering wheel controls | p.248 |
| 23 | — | Left low-beam headlamp/DRL/Left front turnlamp/Left rear parking lamp/ Stoplamp/Child lock relay | p.248 |
| 24 | — | Theft deterrent LED/ Key capture solenoid/Run relay | p.248 |
| 25 | — | Tilt/Telescoping steering column | p.248 |
| 26 | — | 110VAC | p.248 |
More fuse pages in the manual
Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.