The system operates only when the driver is in the vehicle or within operational range while the key is being carried.
NOTE When the battery power is low, or in places where there are high-intensity radio waves or noise, the operational range may become narrower or the system may not operate. For determining battery replacement, Refer to Keyless Entry System on .
Locking, Unlocking the Doors and the Liftgate

NOTE The system may not operate if you are too close to the windows or door handles, or liftgate.
Opening the Liftgate/Trunk Lid

Advanced Keyless Entry
Operational RangeEngine Exhaust (Carbon monoxide)
WARNING
Do not drive your vehicle if you smell exhaust gas inside the
vehicle:
Engine exhaust gas is dangerous. This gas contains carbon monoxide (CO),
which is
colorless, odorless, and poisonous. When inhaled, it can cause loss of
consciousness and
death. If you smell ...
Starter Interlock Switch Removal/Installation [C66 M R]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the starter interlock switch connector.
4. Remove the starter interlock switch from the pedal bracket.
5. Insert a new starter interlock switch into the pedal bracket hole in the direction
indicated ...
Immobilizer System
The immobilizer system allows the
engine to start only with a key the system
recognizes.
If someone attempts to start the engine
with an unrecognized key, the engine
will not start, thereby helping to prevent
vehicle theft.
If you have a problem with the
immobilizer system or the key, co ...