Toyota RAV4 Owner's Manual page 681

The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
 One or both of the battery terminals may be disconnected.
 The battery may be discharged. (P. 687)
 There may be a malfunction in the steering lock system (vehicles
with a smart entry & start system).
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional if the problem cannot be repaired, or if repair
procedures are unknown.
Emergency start function (vehicles with a smart entry & start
system except manual transmission)
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the engine switch is functioning
normally:
Set the parking brake.
1
Shift the shift lever to P.
2
Turn the engine switch to ACCESSORY mode.
3
Press and hold the engine switch for about 15 seconds while
4
depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the vehicle inspected by any authorized
Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
RAV4_OM_OM42873E_(EE)
7-2. Steps to take in an emergency
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