Most 2020 Chevrolet models use sealed transmissions without a traditional serviceable dipstick, so you typically cannot check the level yourself. If your specific model does have a dipstick, follow the standard steps below to check and replenish as needed. If not, rely on the vehicle’s maintenance schedule and a qualified technician for accuracy.
Does your 2020 Chevy have a transmission dipstick?
To determine whether your vehicle has a dipstick, inspect the area around the transmission for a labeled dipstick handle (often colored red or yellow). If you cannot locate one, your model is likely dipstickless and requires professional tools and procedures to check or service the transmission fluid.
If your 2020 Chevy has a traditional transmission dipstick
The following steps apply only if your vehicle actually has an accessible dipstick for the transmission. Always exercise care and consult the owner’s manual for model-specific details and acceptable fluid types.
- Warm up the engine: drive for 10–20 minutes so the transmission reaches normal operating temperature.
- Park on level ground and set the parking brake. Keep the engine running with the transmission in Park (automatic) or Neutral (manual, if applicable).
- Locate and remove the transmission dipstick, wipe it clean with a lint-free rag, then reinsert it fully.
- Remove the dipstick again and read the level against the marked indicators (usually “Full” and “Add” or similar). The level should be within the specified hot range.
- If the level is low, add fluid a little at a time through the dipstick tube using a clean funnel. Use the fluid type recommended in the owner’s manual (GM Dexron VI is common for many 2020 Chevy transmissions).
- Reinsert the dipstick, wait a moment, then pull it again to recheck the level. Repeat until the level sits within the hot range.
- Check the fluid’s condition: it should be pink to red and have a pleasant smell. If it’s dark, hazy, or burnt, plan a fluid change with a professional.
- After topping up, clean up any spills and ensure the dipstick is fully seated to prevent leaks.
Maintenance note: Do not overfill the transmission. Overfilling can cause foaming and transmission damage. If you’re unsure about the correct fill amount or the exact dipstick marks for your model, consult the owner's manual or a Chevrolet dealership.
Bottom line: If you have a dipstick, these steps will help you check and top off transmission fluid safely. If you don’t, rely on the recommended service schedule and a qualified technician for accurate level checks and fluid changes.
If your 2020 Chevy uses a sealed (dipstickless) transmission
Many 2020 Chevys employ sealed transmissions that do not expose a dipstick. In these cases, avoid attempting a home-level check. Instead, follow professional guidance and keep an eye on the maintenance schedule and any transmission warning messages.
- Know the fluid specification: Dexron VI is commonly specified for GM automatics, but verify in the owner’s manual for your exact model and transmission code.
- Rely on scheduled service: have the transmission fluid level and health checked by a dealer or qualified shop, using the factory diagnostic tools and procedures.
- Watch for symptoms: slipping gears, delayed engagement, harsh or erratic shifts, or strange noises, which warrant a professional inspection.
- Inspect for leaks: visually check around the transmission pan, cooler lines, and nearby hoses for signs of fluid leakage.
- Avoid DIY top-offs: unless a technician confirms, don’t attempt to open the transmission or add fluid without the correct procedure and tools.
Professional service is the reliable route for sealed transmissions. A dealership or certified shop can perform a proper level check and fluid change if needed, using the correct procedure for your exact model and transmission code.
Fluids, compatibility and maintenance tips
Understanding the basics helps you care for your transmission over time. The guidance below applies broadly to many 2020 Chevy models with automatic transmissions.
- Fluid type: use the manufacturer-recommended fluid, typically Dexron VI for Chevrolet automatics.
- Do not mix different transmission fluids unless advised by the manual; incompatibility can cause shifting problems and damage.
- Regular maintenance: follow the maintenance schedule in your owner's manual for transmission fluid inspection/replacement, noting that sealed systems may have longer intervals or be service-interval dependent.
- Monitor for leaks and smells: pink/red fluid around the transmission area is normal; a burnt smell or dark fluid indicates service is needed.
Summary
Check your 2020 Chevy’s transmission fluid according to whether your model has an accessible dipstick or a sealed system. If a dipstick is present, use the standard warm-engine procedure and top up carefully with the recommended Dexron VI fluid. If the transmission is sealed, rely on the prescribed maintenance schedule and have a dealer or qualified technician perform any level checks, fluid changes, or diagnostics. Proper fluid maintenance supports smoother shifting and longer transmission life.