Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Denormalization (Memory reset)
Under conditions below, ECU turns to denormalized status. After denormalization, auto up and safety function shall not be operated. In order to make these function active again, ECU should go through the normalization process.
- Denormalization conditions:
- Continuous 15 times reverses
- Power off during motor operation
- Driver side door opened and window glass is at the bottom (hard stop position) with IGN on, IGN off → within 2 sec, IGN on → Press Manual Down switch 3 times within 5 sec → Denormalization
| Door and Glass status | IGN status | Input time | IGN status | Switch input status | Switch input times | Normalization status | ||
|---|---|---|---|---|---|---|---|---|
| Re-input time | IGN status | Switch input | ||||||
| Driver side door opened, Window glass is bottom with IGN on (Hard stop) | IGN Off | T≤2 sec | IGN On | T≤5 sec | IGN On | Press and release Manual down switch | 3 times | Denormalization |
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.