2020 TESLA MODEL 3 ECU

Contents
Overview............................................................. 2
Interior Overview.........................................................................2
Exterior Overview....................................................................... 3
Touchscreen Overview..............................................................4
Opening and Closing..................................... 9
Keys.................................................................................................. 9 Doors.............................................................................................. 15Windows....................................................................................... 18Rear Trunk.................................................................................... 19 Front Trunk...................................................................................21Interior Storage and Electronics.........................................24
Seating and Safety Restraints.................. 28 Front and Rear Seats.............................................................. 28Seat Belts...................................................................................... 31 Child Safety Seats.................................................................... 35Airbags.......................................................................................... 41
Driving.............................................................. 48 Driver Profiles ............................................................................ 48
Steering Wheel..........................................................................50 Mirrors........................................................................................... 52Starting and Powering Off.................................................... 54
Gears............................................................................................. 56 Lights............................................................................................ 58Car Status..................................................................................... 61 Wipers and Washers............................................................... 64Braking and Stopping............................................................. 65Traction Control........................................................................ 69Park Assist.................................................................................. 70Vehicle Hold................................................................................ 72 Track Mode.................................................................................. 73Getting Maximum Range.......................................................74Rear View Camera.................................................................... 75
Dashcam...................................................................................... 76
Pedestrian Warning System................................................. 79 Cold Weather Best Practices............................................... 80
Autopilot.......................................................... 84 About Autopilot........................................................................ 84Traffic-Aware Cruise Control................................................ 87
Autosteer..................................................................................... 93 Autopark.................................................................................... 100 Summon..................................................................................... 102Smart Summon........................................................................ 105Lane Assist................................................................................ 108Collision Avoidance Assist..................................................... 111 Speed Assist.............................................................................. 114
Using the Touchscreen............................... 116 Controls....................................................................................... 116Climate Controls...................................................................... 125 Maps and Navigation.............................................................130Media and Audio..................................................................... 136Phone...........................................................................................139 Calendar...................................................................................... 141Using Voice Commands....................................................... 142 Security Settings..................................................................... 143HomeLink

Note: Power is available whenever the vehicle
is considered "awake". The vehicle may be
awake for many reasons. For example, when
using features such as Summon, or when features such as Cabin Overheat Protection,Keep Climate On, Dog Mode, Sentry Mode,
etc. are enabled. The vehicle is also awake
whenever the 12V battery is being charged or
is in use, during HV charging, when the vehicle
is communicating with the mobile app, etc. Leaving an accessory plugged in does notdeplete the 12V battery.
Note: Always use USB 2.0 compliant cables
when connecting devices to the USB ports.
Using non-compliant cables can result in
slower charging and, if plugged into either of the front two ports, can result in potential connection problems or degraded
performance when trying to access media files
on the device.
Note: Do not connect multiple devices using a
USB hub. This can prevent connected devices from charging or from being recognized by
Media Player, Sentry Mode, Dashcam, etc.
Installing Phone Charging Cable To make it easy to connect your phone while
keeping the console free of clutter, you can install a phone charging cable in Model 3.
Note: The phone dock supports two phones
side-by-side.
To install a phone charging cable:
1. Open both center console doors in front
of the cup holders.
2. Remove the rubber mat from the phone
dock.
3. Lift the phone dock to access the USB
ports.
4. Release the cover from the base of the
phone dock by sliding it to the left.
5. Plug the USB connector on the phone
charging cable into a USB port.
6. Insert the phone end of the charging cable
through the bottom of the phone dock
and route the cable through the securing
tabs towards the bottom of the phone dock.
Interior Storage and Electronics
Opening and Closing25

Seat Belts
Wearing Seat Belts
Using seat belts and child safety seats is the
most effective way to protect occupants if a
collision occurs. Therefore, wearing a seat belt is required by law in most jurisdictions.
Both the driver and passenger seats are
equipped with three-point inertia reel seat
belts. Inertia reel belts are automatically
tensioned to allow occupants to move
comfortably during normal driving conditions.
To securely hold child safety seats, all
passenger seating positions are equipped with
an automatic locking retractor (ALR) that, by
pulling the seat belt beyond the length
needed for a typical adult occupant, locks the
belt into place until the seat belt is unbuckled.
The seat belt reel automatically locks to prevent movement of occupants if Model 3
experiences a force associated with hard acceleration, braking, cornering, or an impact
in a collision.
Seat Belt Reminders
The seat belt reminder on the
touchscreen alerts you if a seat belt
for an occupied driver or passenger
seat is unbuckled. If the belt remains
unbuckled, the reminder

If the pre-tensioners and airbags did not
activate in an impact, this does not mean they
malfunctioned. It usually means that the strength or type of force needed to activate
them was not present.
Warning: Once the seat belt pre-
tensioners have been activated, they must
be replaced. After any collision, have the
airbags, seat belt pre-tensioners and any
associated components checked and, if
necessary, replaced.
Testing Seat Belts
To confirm that seat belts are operating
correctly, perform these three simple checks
on each seat belt.
1. With the seat belt fastened, give the
webbing nearest the buckle a quick pull.
The buckle should remain securely locked.
2. With the belt unfastened, unreel the
webbing to its limit. Check that unreeling
is free from snags, and visually check the
webbing for wear. Allow the webbing to retract, checking that retraction is smooth
and complete.
3. With the webbing half unreeled, hold the
tongue plate and pull forward quickly. The
mechanism should lock automatically and
prevent further unreeling.
If a seat belt fails any of these tests, contact
Tesla immediately.
For information about cleaning seat belts, see
Seat Belts on page 173.
Seat Belt WarningsWarning: Seat belts should be worn by all
occupants at all times, even if driving for
a very short distance. Failure to do so
increases the risk of injury or death if a collision occurs.Warning: Secure small children in a
suitable child safety seat as described in
the Child Safety Seat topic. Always follow
the child safety seat manufacturer

Seating Larger Children
If a child is too large to fit into a child safety
seat, but too small to safely fit into the
standard seat belts, use a booster seat
appropriate for the child’s age and size.
Carefully follow the manufacturer’s instructions to secure the booster seat.
Installing Child Safety Seats
There are two general methods used to install child safety seats:

In the second row, install LATCH child safety
seats in the outboard seating positions only.
Use only a seat belt retained seat in the center position.
To install a LATCH child safety seat, slide the
safety seat latches onto the anchor bars until
they click into place. Carefully read and follow
the instructions provided by the child safety
seat manufacturer.
Once installed, test the security of the installation before seating a child. Attempt to twist the child safety seat from side to side
and try to pull it away from the seat, then
check to ensure the anchors remain securely
in place.
Note: Lower LATCH anchors should not be
used with child seats or booster seats that
have an integrated safety belt in situations
where the combined weight of the child plus
the child restraint is more than 65 lbs (29.5 kg). In these situations, use the safety belt
instead.
Attaching Upper Tether Straps If an upper tether strap is provided, attach its
hook to the anchor point located on the shelf behind the rear seats.
Note: The location of anchor points may not
be readily visible but can be found by
identifying a slice in the seat

For dual-strap tethers, position a strap oneach side of the head support.
For single-strap tethers at the outboard
seating positions, run the strap over the outside-facing side of the head support (sameside of the head support as the seat belt
retraction mechanism).
For a single-strap tether in the center seating
position, fully lower the head support (see Raising/Lowering the Rear Center HeadSupport on page 29) and run the strap over
the top center of the head support.
Testing a Child Safety Seat
Before seating a child, always make sure the
child safety seat is not loose:
1. Hold the child safety seat by the belt path
and try to slide the safety seat from side
to side and front to back.
2. If the seat moves more than one inch
(2.5 cm), it is too loose. Tighten the belt or
reconnect the LATCH retained child safety
seat.
3. If you are unable to reduce slack, try a
different seat location or try another child
safety seat.
Child Safety Seat Warnings
Warning: Extreme hazard! Do not seat a
child on the front passenger seat even if
you are using a child safety seat. This seat
has an airbag in front of it. Although this airbag is disabled when Model 3 detects a
lightweight passenger, do not rely on technology to protect your child.Warning: Child restraint systems are
designed to be secured in vehicle seats
by lap belts or the lap belt portion of a lap-shoulder belt. Children could be
endangered in a crash if their child restraints are not properly secured in the
vehicle.Warning: According to collision statistics,
children are safer when properly
restrained in the rear seating positions
than in the front seating positions.Warning: Do not use a forward facing
child safety seat until your child weighs
over 20 lbs (9 kg) and can sit
Child Safety Seats
Seating and Safety Restraints39

2.Hold down both scroll buttons on the
steering wheel until the touchscreen turns
black.
3. After a few seconds, the Tesla logo
appears. Wait approximately 30 seconds for the touchscreen to restart. If the
touchscreen is still unresponsive or
demonstrating unusual behavior after a
few minutes, try power cycling the vehicle.
See Power Cycling the Vehicle on page
55.
Note: Restarting the touchscreen using the
scroll buttons does not power Model 3 off and
on.
Power Cycling the Vehicle
If your vehicle demonstrates unusual behavior or a nondescript alert is present, you can try
power cycling the vehicle to potentially
resolve the issue.
1. Shift into Park.
2. On the touchscreen, touch Controls >
Safety & Security > Power Off.
3. Wait for at least two minutes without
interacting with the vehicle. Do not open
the doors, touch the brake pedal, touch the touchscreen, etc.
4. After two minutes have passed, press the
brake pedal or open the door to wake the
vehicle.
Starting and Powering Off
Driving55