2020 Toyota 4Runner Light Bulbs Types:
| Bulb | Type |
| Headlights (low beam) | H11 |
| Headlights (high beam and daytime running lights) | 9005/HB3 |
| Front turn signal and parking lights | 7444NA |
| Front side marker lights | Wedge base bulbs (clear) |
| Fog lights | H16 halogen bulbs |
| Rear turn signal lights | Wedge base bulbs (amber) |
| Back-up lights | Wedge base bulbs (clear) |
| License plate lights | Wedge base bulbs (clear) |
| Front personal/ front interior lights | Wedge base bulbs (clear) |
| Rear interior light | Double end bulbs |
| Vanity lights | Wedge base bulbs (clear) |
| Door courtesy lights | 168 |
| Luggage compartment lights | Double end bulbs |
